2003640250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{149}}^2$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 3985362108

約数和(自身を除く): 1981721858

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 149, 190, 250, 298, 361, 475, 722, 745, 950, 1490, 1805, 2375, 2831, 3610, 3725, 4750, 5662, 7450, 9025, 14155, 18050, 18625, 22201, 28310, 37250, 44402, 45125, 53789, 70775, 90250, 107578, 111005, 141550, 222010, 268945, 353875, 421819, 537890, 555025, 707750, 843638, 1110050, 1344725, 2109095, 2689450, 2775125, 4218190, 5550250, 6723625, 8014561, 10545475, 13447250, 16029122, 21090950, 40072805, 52727375, 80145610, 105454750, 200364025, 400728050, 1001820125, 2003640250]

約数ペア:

[(1, 2003640250), (2, 1001820125), (5, 400728050), (10, 200364025), (19, 105454750), (25, 80145610), (38, 52727375), (50, 40072805), (95, 21090950), (125, 16029122), (149, 13447250), (190, 10545475), (250, 8014561), (298, 6723625), (361, 5550250), (475, 4218190), (722, 2775125), (745, 2689450), (950, 2109095), (1490, 1344725), (1805, 1110050), (2375, 843638), (2831, 707750), (3610, 555025), (3725, 537890), (4750, 421819), (5662, 353875), (7450, 268945), (9025, 222010), (14155, 141550), (18050, 111005), (18625, 107578), (22201, 90250), (28310, 70775), (37250, 53789), (44402, 45125)]