388256060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 866554416

約数和(自身を除く): 478298356

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 563, 580, 820, 841, 1126, 1189, 1682, 2252, 2378, 2815, 3364, 4205, 4756, 5630, 5945, 8410, 11260, 11890, 16327, 16820, 23083, 23780, 32654, 34481, 46166, 65308, 68962, 81635, 92332, 115415, 137924, 163270, 172405, 230830, 326540, 344810, 461660, 473483, 669407, 689620, 946966, 1338814, 1893932, 2367415, 2677628, 3347035, 4734830, 6694070, 9469660, 13388140, 19412803, 38825606, 77651212, 97064015, 194128030, 388256060]

約数ペア:

[(1, 388256060), (2, 194128030), (4, 97064015), (5, 77651212), (10, 38825606), (20, 19412803), (29, 13388140), (41, 9469660), (58, 6694070), (82, 4734830), (116, 3347035), (145, 2677628), (164, 2367415), (205, 1893932), (290, 1338814), (410, 946966), (563, 689620), (580, 669407), (820, 473483), (841, 461660), (1126, 344810), (1189, 326540), (1682, 230830), (2252, 172405), (2378, 163270), (2815, 137924), (3364, 115415), (4205, 92332), (4756, 81635), (5630, 68962), (5945, 65308), (8410, 46166), (11260, 34481), (11890, 32654), (16327, 23780), (16820, 23083)]