1392980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 3120348

約数和(自身を除く): 1727368

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 289, 340, 482, 578, 964, 1156, 1205, 1445, 2410, 2890, 4097, 4820, 5780, 8194, 16388, 20485, 40970, 69649, 81940, 139298, 278596, 348245, 696490, 1392980]

約数ペア:

[(1, 1392980), (2, 696490), (4, 348245), (5, 278596), (10, 139298), (17, 81940), (20, 69649), (34, 40970), (68, 20485), (85, 16388), (170, 8194), (241, 5780), (289, 4820), (340, 4097), (482, 2890), (578, 2410), (964, 1445), (1156, 1205)]