1993669210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 4219858944

約数和(自身を除く): 2226189734

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 137, 155, 157, 230, 274, 299, 310, 314, 403, 598, 685, 713, 785, 806, 1370, 1426, 1495, 1570, 1781, 2015, 2041, 2990, 3151, 3562, 3565, 3611, 4030, 4082, 4247, 4867, 6302, 7130, 7222, 8494, 8905, 9269, 9734, 10205, 15755, 17810, 18055, 18538, 20410, 21235, 21509, 24335, 31510, 36110, 40963, 42470, 43018, 46345, 46943, 48670, 55211, 63271, 81926, 92690, 93886, 97681, 107545, 110422, 111941, 126542, 195362, 204815, 215090, 223882, 234715, 276055, 279617, 316355, 409630, 469430, 488405, 494707, 552110, 559234, 559705, 632710, 666779, 976810, 989414, 1119410, 1269853, 1333558, 1398085, 1455233, 2473535, 2539706, 2796170, 2910466, 3333895, 4947070, 6349265, 6431191, 6667790, 7276165, 8668127, 12698530, 12862382, 14552330, 15335917, 17336254, 30671834, 32155955, 43340635, 64311910, 76679585, 86681270, 153359170, 199366921, 398733842, 996834605, 1993669210]

約数ペア:

[(1, 1993669210), (2, 996834605), (5, 398733842), (10, 199366921), (13, 153359170), (23, 86681270), (26, 76679585), (31, 64311910), (46, 43340635), (62, 32155955), (65, 30671834), (115, 17336254), (130, 15335917), (137, 14552330), (155, 12862382), (157, 12698530), (230, 8668127), (274, 7276165), (299, 6667790), (310, 6431191), (314, 6349265), (403, 4947070), (598, 3333895), (685, 2910466), (713, 2796170), (785, 2539706), (806, 2473535), (1370, 1455233), (1426, 1398085), (1495, 1333558), (1570, 1269853), (1781, 1119410), (2015, 989414), (2041, 976810), (2990, 666779), (3151, 632710), (3562, 559705), (3565, 559234), (3611, 552110), (4030, 494707), (4082, 488405), (4247, 469430), (4867, 409630), (6302, 316355), (7130, 279617), (7222, 276055), (8494, 234715), (8905, 223882), (9269, 215090), (9734, 204815), (10205, 195362), (15755, 126542), (17810, 111941), (18055, 110422), (18538, 107545), (20410, 97681), (21235, 93886), (21509, 92690), (24335, 81926), (31510, 63271), (36110, 55211), (40963, 48670), (42470, 46943), (43018, 46345)]