207421900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{42331}}^1$

素因数の和:42359

約数の個数: 54

約数和(自身を含む): 523604508

約数和(自身を除く): 316182608

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 42331, 84662, 169324, 211655, 296317, 423310, 592634, 846620, 1058275, 1185268, 1481585, 2074219, 2116550, 2963170, 4148438, 4233100, 5926340, 7407925, 8296876, 10371095, 14815850, 20742190, 29631700, 41484380, 51855475, 103710950, 207421900]

約数ペア:

[(1, 207421900), (2, 103710950), (4, 51855475), (5, 41484380), (7, 29631700), (10, 20742190), (14, 14815850), (20, 10371095), (25, 8296876), (28, 7407925), (35, 5926340), (49, 4233100), (50, 4148438), (70, 2963170), (98, 2116550), (100, 2074219), (140, 1481585), (175, 1185268), (196, 1058275), (245, 846620), (350, 592634), (490, 423310), (700, 296317), (980, 211655), (1225, 169324), (2450, 84662), (4900, 42331)]