207880760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{881}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 497236320

約数和(自身を除く): 289355560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 347, 680, 694, 881, 1388, 1735, 1762, 2776, 3470, 3524, 4405, 5899, 6940, 7048, 8810, 11798, 13880, 14977, 17620, 23596, 29495, 29954, 35240, 47192, 58990, 59908, 74885, 117980, 119816, 149770, 235960, 299540, 305707, 599080, 611414, 1222828, 1528535, 2445656, 3057070, 5197019, 6114140, 10394038, 12228280, 20788076, 25985095, 41576152, 51970190, 103940380, 207880760]

約数ペア:

[(1, 207880760), (2, 103940380), (4, 51970190), (5, 41576152), (8, 25985095), (10, 20788076), (17, 12228280), (20, 10394038), (34, 6114140), (40, 5197019), (68, 3057070), (85, 2445656), (136, 1528535), (170, 1222828), (340, 611414), (347, 599080), (680, 305707), (694, 299540), (881, 235960), (1388, 149770), (1735, 119816), (1762, 117980), (2776, 74885), (3470, 59908), (3524, 58990), (4405, 47192), (5899, 35240), (6940, 29954), (7048, 29495), (8810, 23596), (11798, 17620), (13880, 14977)]