20210909650

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{331}}^1\times {\mathrm{6199}}^1$

素因数の和:6739

約数の個数: 48

約数和(自身を含む): 37903377600

約数和(自身を除く): 17692467950

約数列:

[1, 2, 5, 10, 25, 50, 197, 331, 394, 662, 985, 1655, 1970, 3310, 4925, 6199, 8275, 9850, 12398, 16550, 30995, 61990, 65207, 130414, 154975, 309950, 326035, 652070, 1221203, 1630175, 2051869, 2442406, 3260350, 4103738, 6106015, 10259345, 12212030, 20518690, 30530075, 51296725, 61060150, 102593450, 404218193, 808436386, 2021090965, 4042181930, 10105454825, 20210909650]

約数ペア:

[(1, 20210909650), (2, 10105454825), (5, 4042181930), (10, 2021090965), (25, 808436386), (50, 404218193), (197, 102593450), (331, 61060150), (394, 51296725), (662, 30530075), (985, 20518690), (1655, 12212030), (1970, 10259345), (3310, 6106015), (4925, 4103738), (6199, 3260350), (8275, 2442406), (9850, 2051869), (12398, 1630175), (16550, 1221203), (30995, 652070), (61990, 326035), (65207, 309950), (130414, 154975)]