29912800

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 73823400

約数和(自身を除く): 43910600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 269, 278, 400, 538, 556, 695, 800, 1076, 1112, 1345, 1390, 2152, 2224, 2690, 2780, 3475, 4304, 4448, 5380, 5560, 6725, 6950, 8608, 10760, 11120, 13450, 13900, 21520, 22240, 26900, 27800, 37391, 43040, 53800, 55600, 74782, 107600, 111200, 149564, 186955, 215200, 299128, 373910, 598256, 747820, 934775, 1196512, 1495640, 1869550, 2991280, 3739100, 5982560, 7478200, 14956400, 29912800]

約数ペア:

[(1, 29912800), (2, 14956400), (4, 7478200), (5, 5982560), (8, 3739100), (10, 2991280), (16, 1869550), (20, 1495640), (25, 1196512), (32, 934775), (40, 747820), (50, 598256), (80, 373910), (100, 299128), (139, 215200), (160, 186955), (200, 149564), (269, 111200), (278, 107600), (400, 74782), (538, 55600), (556, 53800), (695, 43040), (800, 37391), (1076, 27800), (1112, 26900), (1345, 22240), (1390, 21520), (2152, 13900), (2224, 13450), (2690, 11120), (2780, 10760), (3475, 8608), (4304, 6950), (4448, 6725), (5380, 5560)]