400289036

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2287}}^1$

素因数の和:2371

約数の個数: 72

約数和(自身を含む): 876395520

約数和(自身を除く): 476106484

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 188, 196, 266, 329, 532, 658, 893, 931, 1316, 1786, 1862, 2287, 2303, 3572, 3724, 4574, 4606, 6251, 9148, 9212, 12502, 16009, 25004, 32018, 43453, 43757, 64036, 86906, 87514, 107489, 112063, 173812, 175028, 214978, 224126, 304171, 429956, 448252, 608342, 752423, 1216684, 1504846, 2042291, 2129197, 3009692, 4084582, 4258394, 5266961, 8169164, 8516788, 10533922, 14296037, 21067844, 28592074, 57184148, 100072259, 200144518, 400289036]

約数ペア:

[(1, 400289036), (2, 200144518), (4, 100072259), (7, 57184148), (14, 28592074), (19, 21067844), (28, 14296037), (38, 10533922), (47, 8516788), (49, 8169164), (76, 5266961), (94, 4258394), (98, 4084582), (133, 3009692), (188, 2129197), (196, 2042291), (266, 1504846), (329, 1216684), (532, 752423), (658, 608342), (893, 448252), (931, 429956), (1316, 304171), (1786, 224126), (1862, 214978), (2287, 175028), (2303, 173812), (3572, 112063), (3724, 107489), (4574, 87514), (4606, 86906), (6251, 64036), (9148, 43757), (9212, 43453), (12502, 32018), (16009, 25004)]