331322810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{4001}}^1$

素因数の和:4048

約数の個数: 72

約数和(自身を含む): 751407516

約数和(自身を除く): 420084706

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 338, 455, 490, 637, 845, 910, 1183, 1274, 1690, 2366, 3185, 4001, 5915, 6370, 8002, 8281, 11830, 16562, 20005, 28007, 40010, 41405, 52013, 56014, 82810, 104026, 140035, 196049, 260065, 280070, 364091, 392098, 520130, 676169, 728182, 980245, 1352338, 1820455, 1960490, 2548637, 3380845, 3640910, 4733183, 5097274, 6761690, 9466366, 12743185, 23665915, 25486370, 33132281, 47331830, 66264562, 165661405, 331322810]

約数ペア:

[(1, 331322810), (2, 165661405), (5, 66264562), (7, 47331830), (10, 33132281), (13, 25486370), (14, 23665915), (26, 12743185), (35, 9466366), (49, 6761690), (65, 5097274), (70, 4733183), (91, 3640910), (98, 3380845), (130, 2548637), (169, 1960490), (182, 1820455), (245, 1352338), (338, 980245), (455, 728182), (490, 676169), (637, 520130), (845, 392098), (910, 364091), (1183, 280070), (1274, 260065), (1690, 196049), (2366, 140035), (3185, 104026), (4001, 82810), (5915, 56014), (6370, 52013), (8002, 41405), (8281, 40010), (11830, 28007), (16562, 20005)]