4164860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5995780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 419, 497, 710, 838, 994, 1420, 1676, 1988, 2095, 2485, 2933, 4190, 4970, 5866, 8380, 9940, 11732, 14665, 29330, 29749, 58660, 59498, 118996, 148745, 208243, 297490, 416486, 594980, 832972, 1041215, 2082430, 4164860]

約数ペア:

[(1, 4164860), (2, 2082430), (4, 1041215), (5, 832972), (7, 594980), (10, 416486), (14, 297490), (20, 208243), (28, 148745), (35, 118996), (70, 59498), (71, 58660), (140, 29749), (142, 29330), (284, 14665), (355, 11732), (419, 9940), (497, 8380), (710, 5866), (838, 4970), (994, 4190), (1420, 2933), (1676, 2485), (1988, 2095)]