311835550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 658082880

約数和(自身を除く): 346247330

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 71, 130, 142, 145, 233, 290, 325, 355, 377, 466, 650, 710, 725, 754, 923, 1165, 1450, 1775, 1846, 1885, 2059, 2330, 3029, 3550, 3770, 4118, 4615, 5825, 6058, 6757, 9230, 9425, 10295, 11650, 13514, 15145, 16543, 18850, 20590, 23075, 26767, 30290, 33086, 33785, 46150, 51475, 53534, 67570, 75725, 82715, 87841, 102950, 133835, 151450, 165430, 168925, 175682, 215059, 267670, 337850, 413575, 430118, 439205, 479747, 669175, 827150, 878410, 959494, 1075295, 1338350, 2150590, 2196025, 2398735, 4392050, 4797470, 5376475, 6236711, 10752950, 11993675, 12473422, 23987350, 31183555, 62367110, 155917775, 311835550]

約数ペア:

[(1, 311835550), (2, 155917775), (5, 62367110), (10, 31183555), (13, 23987350), (25, 12473422), (26, 11993675), (29, 10752950), (50, 6236711), (58, 5376475), (65, 4797470), (71, 4392050), (130, 2398735), (142, 2196025), (145, 2150590), (233, 1338350), (290, 1075295), (325, 959494), (355, 878410), (377, 827150), (466, 669175), (650, 479747), (710, 439205), (725, 430118), (754, 413575), (923, 337850), (1165, 267670), (1450, 215059), (1775, 175682), (1846, 168925), (1885, 165430), (2059, 151450), (2330, 133835), (3029, 102950), (3550, 87841), (3770, 82715), (4118, 75725), (4615, 67570), (5825, 53534), (6058, 51475), (6757, 46150), (9230, 33785), (9425, 33086), (10295, 30290), (11650, 26767), (13514, 23075), (15145, 20590), (16543, 18850)]