396951280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{14551}}^1$

素因数の和:14606

約数の個数: 80

約数和(自身を含む): 1039362048

約数和(自身を除く): 642410768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 14551, 27280, 29102, 58204, 72755, 116408, 145510, 160061, 232816, 291020, 320122, 451081, 582040, 640244, 800305, 902162, 1164080, 1280488, 1600610, 1804324, 2255405, 2560976, 3201220, 3608648, 4510810, 4961891, 6402440, 7217296, 9021620, 9923782, 12804880, 18043240, 19847564, 24809455, 36086480, 39695128, 49618910, 79390256, 99237820, 198475640, 396951280]

約数ペア:

[(1, 396951280), (2, 198475640), (4, 99237820), (5, 79390256), (8, 49618910), (10, 39695128), (11, 36086480), (16, 24809455), (20, 19847564), (22, 18043240), (31, 12804880), (40, 9923782), (44, 9021620), (55, 7217296), (62, 6402440), (80, 4961891), (88, 4510810), (110, 3608648), (124, 3201220), (155, 2560976), (176, 2255405), (220, 1804324), (248, 1600610), (310, 1280488), (341, 1164080), (440, 902162), (496, 800305), (620, 640244), (682, 582040), (880, 451081), (1240, 320122), (1364, 291020), (1705, 232816), (2480, 160061), (2728, 145510), (3410, 116408), (5456, 72755), (6820, 58204), (13640, 29102), (14551, 27280)]