138528046040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{115861}}^1$

素因数の和:116364

約数の個数: 64

約数和(自身を含む): 316831590720

約数和(自身を除く): 178303544680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 421, 568, 710, 842, 1420, 1684, 2105, 2840, 3368, 4210, 8420, 16840, 29891, 59782, 115861, 119564, 149455, 231722, 239128, 298910, 463444, 579305, 597820, 926888, 1158610, 1195640, 2317220, 4634440, 8226131, 16452262, 32904524, 41130655, 48777481, 65809048, 82261310, 97554962, 164522620, 195109924, 243887405, 329045240, 390219848, 487774810, 975549620, 1951099240, 3463201151, 6926402302, 13852804604, 17316005755, 27705609208, 34632011510, 69264023020, 138528046040]

約数ペア:

[(1, 138528046040), (2, 69264023020), (4, 34632011510), (5, 27705609208), (8, 17316005755), (10, 13852804604), (20, 6926402302), (40, 3463201151), (71, 1951099240), (142, 975549620), (284, 487774810), (355, 390219848), (421, 329045240), (568, 243887405), (710, 195109924), (842, 164522620), (1420, 97554962), (1684, 82261310), (2105, 65809048), (2840, 48777481), (3368, 41130655), (4210, 32904524), (8420, 16452262), (16840, 8226131), (29891, 4634440), (59782, 2317220), (115861, 1195640), (119564, 1158610), (149455, 926888), (231722, 597820), (239128, 579305), (298910, 463444)]