197861820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 639744000

約数和(自身を除く): 441882180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 79, 95, 114, 130, 156, 158, 169, 190, 195, 228, 237, 247, 260, 285, 316, 338, 380, 390, 395, 474, 494, 507, 570, 676, 741, 780, 790, 845, 948, 988, 1014, 1027, 1140, 1185, 1235, 1482, 1501, 1580, 1690, 2028, 2054, 2197, 2370, 2470, 2535, 2964, 3002, 3081, 3211, 3380, 3705, 4108, 4394, 4503, 4740, 4940, 5070, 5135, 6004, 6162, 6422, 6591, 7410, 7505, 8788, 9006, 9633, 10140, 10270, 10985, 12324, 12844, 13182, 13351, 14820, 15010, 15405, 16055, 18012, 19266, 19513, 20540, 21970, 22515, 26364, 26702, 30020, 30810, 32110, 32955, 38532, 39026, 40053, 41743, 43940, 45030, 48165, 53404, 58539, 61620, 64220, 65910, 66755, 78052, 80106, 83486, 90060, 96330, 97565, 117078, 125229, 131820, 133510, 160212, 166972, 173563, 192660, 195130, 200265, 208715, 234156, 250458, 253669, 267020, 292695, 347126, 390260, 400530, 417430, 500916, 507338, 520689, 585390, 626145, 694252, 761007, 801060, 834860, 867815, 1014676, 1041378, 1170780, 1252290, 1268345, 1522014, 1735630, 2082756, 2504580, 2536690, 2603445, 3044028, 3297697, 3471260, 3805035, 5073380, 5206890, 6595394, 7610070, 9893091, 10413780, 13190788, 15220140, 16488485, 19786182, 32976970, 39572364, 49465455, 65953940, 98930910, 197861820]

約数ペア:

[(1, 197861820), (2, 98930910), (3, 65953940), (4, 49465455), (5, 39572364), (6, 32976970), (10, 19786182), (12, 16488485), (13, 15220140), (15, 13190788), (19, 10413780), (20, 9893091), (26, 7610070), (30, 6595394), (38, 5206890), (39, 5073380), (52, 3805035), (57, 3471260), (60, 3297697), (65, 3044028), (76, 2603445), (78, 2536690), (79, 2504580), (95, 2082756), (114, 1735630), (130, 1522014), (156, 1268345), (158, 1252290), (169, 1170780), (190, 1041378), (195, 1014676), (228, 867815), (237, 834860), (247, 801060), (260, 761007), (285, 694252), (316, 626145), (338, 585390), (380, 520689), (390, 507338), (395, 500916), (474, 417430), (494, 400530), (507, 390260), (570, 347126), (676, 292695), (741, 267020), (780, 253669), (790, 250458), (845, 234156), (948, 208715), (988, 200265), (1014, 195130), (1027, 192660), (1140, 173563), (1185, 166972), (1235, 160212), (1482, 133510), (1501, 131820), (1580, 125229), (1690, 117078), (2028, 97565), (2054, 96330), (2197, 90060), (2370, 83486), (2470, 80106), (2535, 78052), (2964, 66755), (3002, 65910), (3081, 64220), (3211, 61620), (3380, 58539), (3705, 53404), (4108, 48165), (4394, 45030), (4503, 43940), (4740, 41743), (4940, 40053), (5070, 39026), (5135, 38532), (6004, 32955), (6162, 32110), (6422, 30810), (6591, 30020), (7410, 26702), (7505, 26364), (8788, 22515), (9006, 21970), (9633, 20540), (10140, 19513), (10270, 19266), (10985, 18012), (12324, 16055), (12844, 15405), (13182, 15010), (13351, 14820)]