571028680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3313}}^1$

素因数の和:3494

約数の個数: 64

約数和(自身を含む): 1336204800

約数和(自身を除く): 765176120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1112, 1240, 1390, 2780, 3313, 4309, 5560, 6626, 8618, 13252, 16565, 17236, 21545, 26504, 33130, 34472, 43090, 66260, 86180, 102703, 132520, 172360, 205406, 410812, 460507, 513515, 821624, 921014, 1027030, 1842028, 2054060, 2302535, 3684056, 4108120, 4605070, 9210140, 14275717, 18420280, 28551434, 57102868, 71378585, 114205736, 142757170, 285514340, 571028680]

約数ペア:

[(1, 571028680), (2, 285514340), (4, 142757170), (5, 114205736), (8, 71378585), (10, 57102868), (20, 28551434), (31, 18420280), (40, 14275717), (62, 9210140), (124, 4605070), (139, 4108120), (155, 3684056), (248, 2302535), (278, 2054060), (310, 1842028), (556, 1027030), (620, 921014), (695, 821624), (1112, 513515), (1240, 460507), (1390, 410812), (2780, 205406), (3313, 172360), (4309, 132520), (5560, 102703), (6626, 86180), (8618, 66260), (13252, 43090), (16565, 34472), (17236, 33130), (21545, 26504)]