30975800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2616

約数の個数: 48

約数和(自身を含む): 73228200

約数和(自身を除く): 42252400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 2539, 3050, 5078, 6100, 10156, 12200, 12695, 20312, 25390, 50780, 63475, 101560, 126950, 154879, 253900, 309758, 507800, 619516, 774395, 1239032, 1548790, 3097580, 3871975, 6195160, 7743950, 15487900, 30975800]

約数ペア:

[(1, 30975800), (2, 15487900), (4, 7743950), (5, 6195160), (8, 3871975), (10, 3097580), (20, 1548790), (25, 1239032), (40, 774395), (50, 619516), (61, 507800), (100, 309758), (122, 253900), (200, 154879), (244, 126950), (305, 101560), (488, 63475), (610, 50780), (1220, 25390), (1525, 20312), (2440, 12695), (2539, 12200), (3050, 10156), (5078, 6100)]