253907804540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{1663}}^1$

素因数の和:2732

約数の個数: 192

約数和(自身を含む): 624944087040

約数和(自身を除く): 371036282500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 997, 1178, 1235, 1612, 1663, 1994, 2015, 2356, 2470, 2945, 3326, 3988, 4030, 4940, 4985, 5890, 6652, 7657, 8060, 8315, 9970, 11780, 12961, 15314, 16630, 18943, 19940, 21619, 25922, 30628, 30907, 31597, 33260, 37886, 38285, 43238, 51553, 51844, 61814, 63194, 64805, 75772, 76570, 86476, 94715, 103106, 108095, 123628, 126388, 129610, 153140, 154535, 157985, 189430, 206212, 216190, 246259, 257765, 259220, 309070, 315970, 378860, 401791, 410761, 432380, 492518, 515530, 587233, 618140, 631940, 670189, 803582, 821522, 979507, 985036, 1031060, 1174466, 1231295, 1340378, 1607164, 1643044, 1658011, 1959014, 2008955, 2053805, 2348932, 2462590, 2680756, 2936165, 3316022, 3350945, 3918028, 4017910, 4107610, 4897535, 4925180, 5872330, 6632044, 6701890, 7634029, 8035820, 8215220, 8290055, 9795070, 11744660, 12733591, 13403780, 15268058, 16580110, 19590140, 21554143, 25467182, 30536116, 31502209, 33160220, 38170145, 43108286, 50934364, 51398341, 63004418, 63667955, 76340290, 86216572, 102796682, 107770715, 126008836, 127335910, 152680580, 157511045, 205593364, 215541430, 254671820, 256991705, 315022090, 409528717, 431082860, 513983410, 630044180, 668178433, 819057434, 976568479, 1027966820, 1336356866, 1638114868, 1953136958, 2047643585, 2672713732, 3340892165, 3906273916, 4095287170, 4882842395, 6681784330, 8190574340, 9765684790, 12695390227, 13363568660, 19531369580, 25390780454, 50781560908, 63476951135, 126953902270, 253907804540]

約数ペア:

[(1, 253907804540), (2, 126953902270), (4, 63476951135), (5, 50781560908), (10, 25390780454), (13, 19531369580), (19, 13363568660), (20, 12695390227), (26, 9765684790), (31, 8190574340), (38, 6681784330), (52, 4882842395), (62, 4095287170), (65, 3906273916), (76, 3340892165), (95, 2672713732), (124, 2047643585), (130, 1953136958), (155, 1638114868), (190, 1336356866), (247, 1027966820), (260, 976568479), (310, 819057434), (380, 668178433), (403, 630044180), (494, 513983410), (589, 431082860), (620, 409528717), (806, 315022090), (988, 256991705), (997, 254671820), (1178, 215541430), (1235, 205593364), (1612, 157511045), (1663, 152680580), (1994, 127335910), (2015, 126008836), (2356, 107770715), (2470, 102796682), (2945, 86216572), (3326, 76340290), (3988, 63667955), (4030, 63004418), (4940, 51398341), (4985, 50934364), (5890, 43108286), (6652, 38170145), (7657, 33160220), (8060, 31502209), (8315, 30536116), (9970, 25467182), (11780, 21554143), (12961, 19590140), (15314, 16580110), (16630, 15268058), (18943, 13403780), (19940, 12733591), (21619, 11744660), (25922, 9795070), (30628, 8290055), (30907, 8215220), (31597, 8035820), (33260, 7634029), (37886, 6701890), (38285, 6632044), (43238, 5872330), (51553, 4925180), (51844, 4897535), (61814, 4107610), (63194, 4017910), (64805, 3918028), (75772, 3350945), (76570, 3316022), (86476, 2936165), (94715, 2680756), (103106, 2462590), (108095, 2348932), (123628, 2053805), (126388, 2008955), (129610, 1959014), (153140, 1658011), (154535, 1643044), (157985, 1607164), (189430, 1340378), (206212, 1231295), (216190, 1174466), (246259, 1031060), (257765, 985036), (259220, 979507), (309070, 821522), (315970, 803582), (378860, 670189), (401791, 631940), (410761, 618140), (432380, 587233), (492518, 515530)]