85390370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 176117760

約数和(自身を除く): 90727390

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 181, 190, 191, 247, 362, 382, 494, 905, 955, 1235, 1810, 1910, 2353, 2470, 2483, 3439, 3629, 4706, 4966, 6878, 7258, 11765, 12415, 17195, 18145, 23530, 24830, 34390, 34571, 36290, 44707, 47177, 69142, 89414, 94354, 172855, 223535, 235885, 345710, 447070, 449423, 471770, 656849, 898846, 1313698, 2247115, 3284245, 4494230, 6568490, 8539037, 17078074, 42695185, 85390370]

約数ペア:

[(1, 85390370), (2, 42695185), (5, 17078074), (10, 8539037), (13, 6568490), (19, 4494230), (26, 3284245), (38, 2247115), (65, 1313698), (95, 898846), (130, 656849), (181, 471770), (190, 449423), (191, 447070), (247, 345710), (362, 235885), (382, 223535), (494, 172855), (905, 94354), (955, 89414), (1235, 69142), (1810, 47177), (1910, 44707), (2353, 36290), (2470, 34571), (2483, 34390), (3439, 24830), (3629, 23530), (4706, 18145), (4966, 17195), (6878, 12415), (7258, 11765)]