358653880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1245

約数の個数: 128

約数和(自身を含む): 945100800

約数和(自身を除く): 586446920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 760, 806, 988, 1171, 1178, 1235, 1240, 1612, 1976, 2015, 2342, 2356, 2470, 2945, 3224, 4030, 4684, 4712, 4940, 5855, 5890, 7657, 8060, 9368, 9880, 11710, 11780, 15223, 15314, 16120, 22249, 23420, 23560, 30446, 30628, 36301, 38285, 44498, 46840, 60892, 61256, 72602, 76115, 76570, 88996, 111245, 121784, 145204, 152230, 153140, 177992, 181505, 222490, 289237, 290408, 304460, 306280, 363010, 444980, 471913, 578474, 608920, 689719, 726020, 889960, 943826, 1156948, 1379438, 1446185, 1452040, 1887652, 2313896, 2359565, 2758876, 2892370, 3448595, 3775304, 4719130, 5517752, 5784740, 6897190, 8966347, 9438260, 11569480, 13794380, 17932694, 18876520, 27588760, 35865388, 44831735, 71730776, 89663470, 179326940, 358653880]

約数ペア:

[(1, 358653880), (2, 179326940), (4, 89663470), (5, 71730776), (8, 44831735), (10, 35865388), (13, 27588760), (19, 18876520), (20, 17932694), (26, 13794380), (31, 11569480), (38, 9438260), (40, 8966347), (52, 6897190), (62, 5784740), (65, 5517752), (76, 4719130), (95, 3775304), (104, 3448595), (124, 2892370), (130, 2758876), (152, 2359565), (155, 2313896), (190, 1887652), (247, 1452040), (248, 1446185), (260, 1379438), (310, 1156948), (380, 943826), (403, 889960), (494, 726020), (520, 689719), (589, 608920), (620, 578474), (760, 471913), (806, 444980), (988, 363010), (1171, 306280), (1178, 304460), (1235, 290408), (1240, 289237), (1612, 222490), (1976, 181505), (2015, 177992), (2342, 153140), (2356, 152230), (2470, 145204), (2945, 121784), (3224, 111245), (4030, 88996), (4684, 76570), (4712, 76115), (4940, 72602), (5855, 61256), (5890, 60892), (7657, 46840), (8060, 44498), (9368, 38285), (9880, 36301), (11710, 30628), (11780, 30446), (15223, 23560), (15314, 23420), (16120, 22249)]