777775820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{12907}}^1$

素因数の和:13070

約数の個数: 48

約数和(自身を含む): 1717486848

約数和(自身を除く): 939711028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 460, 524, 655, 1310, 2620, 3013, 6026, 12052, 12907, 15065, 25814, 30130, 51628, 60260, 64535, 129070, 258140, 296861, 593722, 1187444, 1484305, 1690817, 2968610, 3381634, 5937220, 6763268, 8454085, 16908170, 33816340, 38888791, 77777582, 155555164, 194443955, 388887910, 777775820]

約数ペア:

[(1, 777775820), (2, 388887910), (4, 194443955), (5, 155555164), (10, 77777582), (20, 38888791), (23, 33816340), (46, 16908170), (92, 8454085), (115, 6763268), (131, 5937220), (230, 3381634), (262, 2968610), (460, 1690817), (524, 1484305), (655, 1187444), (1310, 593722), (2620, 296861), (3013, 258140), (6026, 129070), (12052, 64535), (12907, 60260), (15065, 51628), (25814, 30130)]