1900735240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{4993}}^1$

素因数の和:5342

約数の個数: 64

約数和(自身を含む): 4429877760

約数和(自身を除く): 2529142520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 307, 310, 614, 620, 1228, 1240, 1535, 2456, 3070, 4993, 6140, 9517, 9986, 12280, 19034, 19972, 24965, 38068, 39944, 47585, 49930, 76136, 95170, 99860, 154783, 190340, 199720, 309566, 380680, 619132, 773915, 1238264, 1532851, 1547830, 3065702, 3095660, 6131404, 6191320, 7664255, 12262808, 15328510, 30657020, 47518381, 61314040, 95036762, 190073524, 237591905, 380147048, 475183810, 950367620, 1900735240]

約数ペア:

[(1, 1900735240), (2, 950367620), (4, 475183810), (5, 380147048), (8, 237591905), (10, 190073524), (20, 95036762), (31, 61314040), (40, 47518381), (62, 30657020), (124, 15328510), (155, 12262808), (248, 7664255), (307, 6191320), (310, 6131404), (614, 3095660), (620, 3065702), (1228, 1547830), (1240, 1532851), (1535, 1238264), (2456, 773915), (3070, 619132), (4993, 380680), (6140, 309566), (9517, 199720), (9986, 190340), (12280, 154783), (19034, 99860), (19972, 95170), (24965, 76136), (38068, 49930), (39944, 47585)]