1569854020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157933}}^1$

素因数の和:158020

約数の個数: 48

約数和(自身を含む): 3820739328

約数和(自身を除く): 2250885308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 157933, 315866, 631732, 789665, 1105531, 1579330, 2211062, 3158660, 4422124, 5527655, 11055310, 11213243, 22110620, 22426486, 44852972, 56066215, 78492701, 112132430, 156985402, 224264860, 313970804, 392463505, 784927010, 1569854020]

約数ペア:

[(1, 1569854020), (2, 784927010), (4, 392463505), (5, 313970804), (7, 224264860), (10, 156985402), (14, 112132430), (20, 78492701), (28, 56066215), (35, 44852972), (70, 22426486), (71, 22110620), (140, 11213243), (142, 11055310), (284, 5527655), (355, 4422124), (497, 3158660), (710, 2211062), (994, 1579330), (1420, 1105531), (1988, 789665), (2485, 631732), (4970, 315866), (9940, 157933)]