400551488

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:667

約数の個数: 56

約数和(自身を含む): 810768000

約数和(自身を除く): 410216512

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 227, 316, 349, 454, 632, 698, 908, 1264, 1396, 1816, 2528, 2792, 3632, 5056, 5584, 7264, 11168, 14528, 17933, 22336, 27571, 35866, 55142, 71732, 79223, 110284, 143464, 158446, 220568, 286928, 316892, 441136, 573856, 633784, 882272, 1147712, 1267568, 1764544, 2535136, 5070272, 6258617, 12517234, 25034468, 50068936, 100137872, 200275744, 400551488]

約数ペア:

[(1, 400551488), (2, 200275744), (4, 100137872), (8, 50068936), (16, 25034468), (32, 12517234), (64, 6258617), (79, 5070272), (158, 2535136), (227, 1764544), (316, 1267568), (349, 1147712), (454, 882272), (632, 633784), (698, 573856), (908, 441136), (1264, 316892), (1396, 286928), (1816, 220568), (2528, 158446), (2792, 143464), (3632, 110284), (5056, 79223), (5584, 71732), (7264, 55142), (11168, 35866), (14528, 27571), (17933, 22336)]