309694900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 695205504

約数和(自身を除く): 385510604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 71, 100, 106, 142, 212, 265, 284, 355, 530, 710, 823, 1060, 1325, 1420, 1646, 1775, 2650, 3292, 3550, 3763, 4115, 5300, 7100, 7526, 8230, 15052, 16460, 18815, 20575, 37630, 41150, 43619, 58433, 75260, 82300, 87238, 94075, 116866, 174476, 188150, 218095, 233732, 292165, 376300, 436190, 584330, 872380, 1090475, 1168660, 1460825, 2180950, 2921650, 3096949, 4361900, 5843300, 6193898, 12387796, 15484745, 30969490, 61938980, 77423725, 154847450, 309694900]

約数ペア:

[(1, 309694900), (2, 154847450), (4, 77423725), (5, 61938980), (10, 30969490), (20, 15484745), (25, 12387796), (50, 6193898), (53, 5843300), (71, 4361900), (100, 3096949), (106, 2921650), (142, 2180950), (212, 1460825), (265, 1168660), (284, 1090475), (355, 872380), (530, 584330), (710, 436190), (823, 376300), (1060, 292165), (1325, 233732), (1420, 218095), (1646, 188150), (1775, 174476), (2650, 116866), (3292, 94075), (3550, 87238), (3763, 82300), (4115, 75260), (5300, 58433), (7100, 43619), (7526, 41150), (8230, 37630), (15052, 20575), (16460, 18815)]