520608340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31249}}^1$

素因数の和:31289

約数の個数: 72

約数和(自身を含む): 1346625000

約数和(自身を除く): 826016660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 31249, 62498, 124996, 156245, 218743, 312490, 437486, 531233, 624980, 874972, 1062466, 1093715, 1531201, 2124932, 2187430, 2656165, 3062402, 3718631, 4374860, 5312330, 6124804, 7437262, 7656005, 10624660, 14874524, 15312010, 18593155, 26030417, 30624020, 37186310, 52060834, 74372620, 104121668, 130152085, 260304170, 520608340]

約数ペア:

[(1, 520608340), (2, 260304170), (4, 130152085), (5, 104121668), (7, 74372620), (10, 52060834), (14, 37186310), (17, 30624020), (20, 26030417), (28, 18593155), (34, 15312010), (35, 14874524), (49, 10624660), (68, 7656005), (70, 7437262), (85, 6124804), (98, 5312330), (119, 4374860), (140, 3718631), (170, 3062402), (196, 2656165), (238, 2187430), (245, 2124932), (340, 1531201), (476, 1093715), (490, 1062466), (595, 874972), (833, 624980), (980, 531233), (1190, 437486), (1666, 312490), (2380, 218743), (3332, 156245), (4165, 124996), (8330, 62498), (16660, 31249)]