491609820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:524

約数の個数: 192

約数和(自身を含む): 1573770240

約数和(自身を除く): 1082160420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 67, 69, 78, 92, 115, 130, 134, 138, 156, 195, 201, 230, 260, 268, 276, 299, 335, 345, 390, 402, 409, 460, 598, 670, 690, 780, 804, 818, 871, 897, 1005, 1196, 1227, 1340, 1380, 1495, 1541, 1636, 1742, 1794, 2010, 2045, 2454, 2613, 2990, 3082, 3484, 3588, 4020, 4090, 4355, 4485, 4623, 4908, 5226, 5317, 5980, 6135, 6164, 7705, 8180, 8710, 8970, 9246, 9407, 10452, 10634, 12270, 13065, 15410, 15951, 17420, 17940, 18492, 18814, 20033, 21268, 23115, 24540, 26130, 26585, 27403, 28221, 30820, 31902, 37628, 40066, 46230, 47035, 52260, 53170, 54806, 56442, 60099, 63804, 79755, 80132, 82209, 92460, 94070, 100165, 106340, 109612, 112884, 120198, 122291, 137015, 141105, 159510, 164418, 188140, 200330, 240396, 244582, 274030, 282210, 300495, 319020, 328836, 356239, 366873, 400660, 411045, 489164, 548060, 564420, 600990, 611455, 630269, 712478, 733746, 822090, 1068717, 1201980, 1222910, 1260538, 1424956, 1467492, 1644180, 1781195, 1834365, 1890807, 2137434, 2445820, 2521076, 3151345, 3562390, 3668730, 3781614, 4274868, 5343585, 6302690, 7124780, 7337460, 7563228, 8193497, 9454035, 10687170, 12605380, 16386994, 18908070, 21374340, 24580491, 32773988, 37816140, 40967485, 49160982, 81934970, 98321964, 122902455, 163869940, 245804910, 491609820]

約数ペア:

[(1, 491609820), (2, 245804910), (3, 163869940), (4, 122902455), (5, 98321964), (6, 81934970), (10, 49160982), (12, 40967485), (13, 37816140), (15, 32773988), (20, 24580491), (23, 21374340), (26, 18908070), (30, 16386994), (39, 12605380), (46, 10687170), (52, 9454035), (60, 8193497), (65, 7563228), (67, 7337460), (69, 7124780), (78, 6302690), (92, 5343585), (115, 4274868), (130, 3781614), (134, 3668730), (138, 3562390), (156, 3151345), (195, 2521076), (201, 2445820), (230, 2137434), (260, 1890807), (268, 1834365), (276, 1781195), (299, 1644180), (335, 1467492), (345, 1424956), (390, 1260538), (402, 1222910), (409, 1201980), (460, 1068717), (598, 822090), (670, 733746), (690, 712478), (780, 630269), (804, 611455), (818, 600990), (871, 564420), (897, 548060), (1005, 489164), (1196, 411045), (1227, 400660), (1340, 366873), (1380, 356239), (1495, 328836), (1541, 319020), (1636, 300495), (1742, 282210), (1794, 274030), (2010, 244582), (2045, 240396), (2454, 200330), (2613, 188140), (2990, 164418), (3082, 159510), (3484, 141105), (3588, 137015), (4020, 122291), (4090, 120198), (4355, 112884), (4485, 109612), (4623, 106340), (4908, 100165), (5226, 94070), (5317, 92460), (5980, 82209), (6135, 80132), (6164, 79755), (7705, 63804), (8180, 60099), (8710, 56442), (8970, 54806), (9246, 53170), (9407, 52260), (10452, 47035), (10634, 46230), (12270, 40066), (13065, 37628), (15410, 31902), (15951, 30820), (17420, 28221), (17940, 27403), (18492, 26585), (18814, 26130), (20033, 24540), (21268, 23115)]