201311320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1091}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 518918400

約数和(自身を除く): 317607080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 659, 1091, 1318, 2182, 2636, 3295, 4364, 4613, 5272, 5455, 6590, 7637, 8728, 9226, 10910, 13180, 15274, 18452, 21820, 23065, 26360, 30548, 36904, 38185, 43640, 46130, 61096, 76370, 92260, 152740, 184520, 305480, 718969, 1437938, 2875876, 3594845, 5032783, 5751752, 7189690, 10065566, 14379380, 20131132, 25163915, 28758760, 40262264, 50327830, 100655660, 201311320]

約数ペア:

[(1, 201311320), (2, 100655660), (4, 50327830), (5, 40262264), (7, 28758760), (8, 25163915), (10, 20131132), (14, 14379380), (20, 10065566), (28, 7189690), (35, 5751752), (40, 5032783), (56, 3594845), (70, 2875876), (140, 1437938), (280, 718969), (659, 305480), (1091, 184520), (1318, 152740), (2182, 92260), (2636, 76370), (3295, 61096), (4364, 46130), (4613, 43640), (5272, 38185), (5455, 36904), (6590, 30548), (7637, 26360), (8728, 23065), (9226, 21820), (10910, 18452), (13180, 15274)]