90670970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 93188230

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 149, 151, 155, 298, 302, 310, 403, 745, 755, 806, 1490, 1510, 1937, 1963, 2015, 3874, 3926, 4030, 4619, 4681, 9238, 9362, 9685, 9815, 19370, 19630, 22499, 23095, 23405, 44998, 46190, 46810, 60047, 60853, 112495, 120094, 121706, 224990, 292487, 300235, 304265, 584974, 600470, 608530, 697469, 1394938, 1462435, 2924870, 3487345, 6974690, 9067097, 18134194, 45335485, 90670970]

約数ペア:

[(1, 90670970), (2, 45335485), (5, 18134194), (10, 9067097), (13, 6974690), (26, 3487345), (31, 2924870), (62, 1462435), (65, 1394938), (130, 697469), (149, 608530), (151, 600470), (155, 584974), (298, 304265), (302, 300235), (310, 292487), (403, 224990), (745, 121706), (755, 120094), (806, 112495), (1490, 60853), (1510, 60047), (1937, 46810), (1963, 46190), (2015, 44998), (3874, 23405), (3926, 23095), (4030, 22499), (4619, 19630), (4681, 19370), (9238, 9815), (9362, 9685)]