890804707810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{994879}}^1$

素因数の和:995155

約数の個数: 64

約数和(自身を含む): 1779322982400

約数和(自身を除く): 888518274590

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 229, 230, 391, 458, 782, 1145, 1955, 2290, 3893, 3910, 5267, 7786, 10534, 19465, 26335, 38930, 52670, 89539, 179078, 447695, 895390, 994879, 1989758, 4974395, 9948790, 16912943, 22882217, 33825886, 45764434, 84564715, 114411085, 169129430, 227827291, 228822170, 388997689, 455654582, 777995378, 1139136455, 1944988445, 2278272910, 3873063947, 3889976890, 5240027693, 7746127894, 10480055386, 19365319735, 26200138465, 38730639470, 52400276930, 89080470781, 178160941562, 445402353905, 890804707810]

約数ペア:

[(1, 890804707810), (2, 445402353905), (5, 178160941562), (10, 89080470781), (17, 52400276930), (23, 38730639470), (34, 26200138465), (46, 19365319735), (85, 10480055386), (115, 7746127894), (170, 5240027693), (229, 3889976890), (230, 3873063947), (391, 2278272910), (458, 1944988445), (782, 1139136455), (1145, 777995378), (1955, 455654582), (2290, 388997689), (3893, 228822170), (3910, 227827291), (5267, 169129430), (7786, 114411085), (10534, 84564715), (19465, 45764434), (26335, 33825886), (38930, 22882217), (52670, 16912943), (89539, 9948790), (179078, 4974395), (447695, 1989758), (895390, 994879)]