634509980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 1468259520

約数和(自身を除く): 833749540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 139, 181, 194, 260, 278, 362, 388, 485, 556, 695, 724, 905, 970, 1261, 1390, 1807, 1810, 1940, 2353, 2522, 2780, 3614, 3620, 4706, 5044, 6305, 7228, 9035, 9412, 11765, 12610, 13483, 17557, 18070, 23530, 25159, 25220, 26966, 35114, 36140, 47060, 50318, 53932, 67415, 70228, 87785, 100636, 125795, 134830, 175279, 175570, 228241, 251590, 269660, 327067, 350558, 351140, 456482, 503180, 654134, 701116, 876395, 912964, 1141205, 1308268, 1635335, 1752790, 2282410, 2440423, 3270670, 3505580, 4564820, 4880846, 6541340, 9761692, 12202115, 24404230, 31725499, 48808460, 63450998, 126901996, 158627495, 317254990, 634509980]

約数ペア:

[(1, 634509980), (2, 317254990), (4, 158627495), (5, 126901996), (10, 63450998), (13, 48808460), (20, 31725499), (26, 24404230), (52, 12202115), (65, 9761692), (97, 6541340), (130, 4880846), (139, 4564820), (181, 3505580), (194, 3270670), (260, 2440423), (278, 2282410), (362, 1752790), (388, 1635335), (485, 1308268), (556, 1141205), (695, 912964), (724, 876395), (905, 701116), (970, 654134), (1261, 503180), (1390, 456482), (1807, 351140), (1810, 350558), (1940, 327067), (2353, 269660), (2522, 251590), (2780, 228241), (3614, 175570), (3620, 175279), (4706, 134830), (5044, 125795), (6305, 100636), (7228, 87785), (9035, 70228), (9412, 67415), (11765, 53932), (12610, 50318), (13483, 47060), (17557, 36140), (18070, 35114), (23530, 26966), (25159, 25220)]