212664756460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{886177}}^1$

素因数の和:886283

約数の個数: 72

約数和(自身を含む): 490403815776

約数和(自身を除く): 277739059316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 169, 260, 284, 338, 355, 676, 710, 845, 923, 1420, 1690, 1846, 3380, 3692, 4615, 9230, 11999, 18460, 23998, 47996, 59995, 119990, 239980, 886177, 1772354, 3544708, 4430885, 8861770, 11520301, 17723540, 23040602, 46081204, 57601505, 62918567, 115203010, 125837134, 149763913, 230406020, 251674268, 299527826, 314592835, 599055652, 629185670, 748819565, 817941371, 1258371340, 1497639130, 1635882742, 2995278260, 3271765484, 4089706855, 8179413710, 10633237823, 16358827420, 21266475646, 42532951292, 53166189115, 106332378230, 212664756460]

約数ペア:

[(1, 212664756460), (2, 106332378230), (4, 53166189115), (5, 42532951292), (10, 21266475646), (13, 16358827420), (20, 10633237823), (26, 8179413710), (52, 4089706855), (65, 3271765484), (71, 2995278260), (130, 1635882742), (142, 1497639130), (169, 1258371340), (260, 817941371), (284, 748819565), (338, 629185670), (355, 599055652), (676, 314592835), (710, 299527826), (845, 251674268), (923, 230406020), (1420, 149763913), (1690, 125837134), (1846, 115203010), (3380, 62918567), (3692, 57601505), (4615, 46081204), (9230, 23040602), (11999, 17723540), (18460, 11520301), (23998, 8861770), (47996, 4430885), (59995, 3544708), (119990, 1772354), (239980, 886177)]