413878900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3571}}^1$

素因数の和:3665

約数の個数: 72

約数和(自身を含む): 961153760

約数和(自身を除く): 547274860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 950, 1159, 1220, 1525, 1900, 2318, 3050, 3571, 4636, 5795, 6100, 7142, 11590, 14284, 17855, 23180, 28975, 35710, 57950, 67849, 71420, 89275, 115900, 135698, 178550, 217831, 271396, 339245, 357100, 435662, 678490, 871324, 1089155, 1356980, 1696225, 2178310, 3392450, 4138789, 4356620, 5445775, 6784900, 8277578, 10891550, 16555156, 20693945, 21783100, 41387890, 82775780, 103469725, 206939450, 413878900]

約数ペア:

[(1, 413878900), (2, 206939450), (4, 103469725), (5, 82775780), (10, 41387890), (19, 21783100), (20, 20693945), (25, 16555156), (38, 10891550), (50, 8277578), (61, 6784900), (76, 5445775), (95, 4356620), (100, 4138789), (122, 3392450), (190, 2178310), (244, 1696225), (305, 1356980), (380, 1089155), (475, 871324), (610, 678490), (950, 435662), (1159, 357100), (1220, 339245), (1525, 271396), (1900, 217831), (2318, 178550), (3050, 135698), (3571, 115900), (4636, 89275), (5795, 71420), (6100, 67849), (7142, 57950), (11590, 35710), (14284, 28975), (17855, 23180)]