2713643140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{18671}}^1$

素因数の和:18749

約数の個数: 72

約数和(自身を含む): 6314571648

約数和(自身を除く): 3600928508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 676, 845, 860, 1118, 1690, 2236, 2795, 3380, 5590, 7267, 11180, 14534, 18671, 29068, 36335, 37342, 72670, 74684, 93355, 145340, 186710, 242723, 373420, 485446, 802853, 970892, 1213615, 1605706, 2427230, 3155399, 3211412, 4014265, 4854460, 6310798, 8028530, 10437089, 12621596, 15776995, 16057060, 20874178, 31553990, 41748356, 52185445, 63107980, 104370890, 135682157, 208741780, 271364314, 542728628, 678410785, 1356821570, 2713643140]

約数ペア:

[(1, 2713643140), (2, 1356821570), (4, 678410785), (5, 542728628), (10, 271364314), (13, 208741780), (20, 135682157), (26, 104370890), (43, 63107980), (52, 52185445), (65, 41748356), (86, 31553990), (130, 20874178), (169, 16057060), (172, 15776995), (215, 12621596), (260, 10437089), (338, 8028530), (430, 6310798), (559, 4854460), (676, 4014265), (845, 3211412), (860, 3155399), (1118, 2427230), (1690, 1605706), (2236, 1213615), (2795, 970892), (3380, 802853), (5590, 485446), (7267, 373420), (11180, 242723), (14534, 186710), (18671, 145340), (29068, 93355), (36335, 74684), (37342, 72670)]