2017379320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{11549}}^1$

素因数の和:11968

約数の個数: 64

約数和(自身を含む): 4964652000

約数和(自身を除く): 2947272680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 440, 794, 1588, 1985, 3176, 3970, 4367, 7940, 8734, 11549, 15880, 17468, 21835, 23098, 34936, 43670, 46196, 57745, 87340, 92392, 115490, 127039, 174680, 230980, 254078, 461960, 508156, 635195, 1016312, 1270390, 2540780, 4584953, 5081560, 9169906, 18339812, 22924765, 36679624, 45849530, 50434483, 91699060, 100868966, 183398120, 201737932, 252172415, 403475864, 504344830, 1008689660, 2017379320]

約数ペア:

[(1, 2017379320), (2, 1008689660), (4, 504344830), (5, 403475864), (8, 252172415), (10, 201737932), (11, 183398120), (20, 100868966), (22, 91699060), (40, 50434483), (44, 45849530), (55, 36679624), (88, 22924765), (110, 18339812), (220, 9169906), (397, 5081560), (440, 4584953), (794, 2540780), (1588, 1270390), (1985, 1016312), (3176, 635195), (3970, 508156), (4367, 461960), (7940, 254078), (8734, 230980), (11549, 174680), (15880, 127039), (17468, 115490), (21835, 92392), (23098, 87340), (34936, 57745), (43670, 46196)]