1219640500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{187637}}^1$

素因数の和:187669

約数の個数: 48

約数和(自身を含む): 2868609744

約数和(自身を除く): 1648969244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 187637, 375274, 750548, 938185, 1876370, 2439281, 3752740, 4690925, 4878562, 9381850, 9757124, 12196405, 18763700, 23454625, 24392810, 46909250, 48785620, 60982025, 93818500, 121964050, 243928100, 304910125, 609820250, 1219640500]

約数ペア:

[(1, 1219640500), (2, 609820250), (4, 304910125), (5, 243928100), (10, 121964050), (13, 93818500), (20, 60982025), (25, 48785620), (26, 46909250), (50, 24392810), (52, 23454625), (65, 18763700), (100, 12196405), (125, 9757124), (130, 9381850), (250, 4878562), (260, 4690925), (325, 3752740), (500, 2439281), (650, 1876370), (1300, 938185), (1625, 750548), (3250, 375274), (6500, 187637)]