313988980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{13007}}^1$

素因数の和:13104

約数の個数: 48

約数和(自身を含む): 708051456

約数和(自身を除く): 394062476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 12070, 13007, 24140, 26014, 52028, 65035, 130070, 221119, 260140, 442238, 884476, 923497, 1105595, 1846994, 2211190, 3693988, 4422380, 4617485, 9234970, 15699449, 18469940, 31398898, 62797796, 78497245, 156994490, 313988980]

約数ペア:

[(1, 313988980), (2, 156994490), (4, 78497245), (5, 62797796), (10, 31398898), (17, 18469940), (20, 15699449), (34, 9234970), (68, 4617485), (71, 4422380), (85, 3693988), (142, 2211190), (170, 1846994), (284, 1105595), (340, 923497), (355, 884476), (710, 442238), (1207, 260140), (1420, 221119), (2414, 130070), (4828, 65035), (6035, 52028), (12070, 26014), (13007, 24140)]