201420440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2239}}^1$

素因数の和:2436

約数の個数: 64

約数和(自身を含む): 491097600

約数和(自身を除く): 289677160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 692, 865, 1384, 1730, 2239, 2249, 3460, 4478, 4498, 6920, 8956, 8996, 11195, 11245, 17912, 17992, 22390, 22490, 29107, 44780, 44980, 58214, 89560, 89960, 116428, 145535, 232856, 291070, 387347, 582140, 774694, 1164280, 1549388, 1936735, 3098776, 3873470, 5035511, 7746940, 10071022, 15493880, 20142044, 25177555, 40284088, 50355110, 100710220, 201420440]

約数ペア:

[(1, 201420440), (2, 100710220), (4, 50355110), (5, 40284088), (8, 25177555), (10, 20142044), (13, 15493880), (20, 10071022), (26, 7746940), (40, 5035511), (52, 3873470), (65, 3098776), (104, 1936735), (130, 1549388), (173, 1164280), (260, 774694), (346, 582140), (520, 387347), (692, 291070), (865, 232856), (1384, 145535), (1730, 116428), (2239, 89960), (2249, 89560), (3460, 58214), (4478, 44980), (4498, 44780), (6920, 29107), (8956, 22490), (8996, 22390), (11195, 17992), (11245, 17912)]