208209720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8719}}^1$

素因数の和:8932

約数の個数: 64

約数和(自身を含む): 627840000

約数和(自身を除く): 419630280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3980, 4776, 5970, 7960, 8719, 11940, 17438, 23880, 26157, 34876, 43595, 52314, 69752, 87190, 104628, 130785, 174380, 209256, 261570, 348760, 523140, 1046280, 1735081, 3470162, 5205243, 6940324, 8675405, 10410486, 13880648, 17350810, 20820972, 26026215, 34701620, 41641944, 52052430, 69403240, 104104860, 208209720]

約数ペア:

[(1, 208209720), (2, 104104860), (3, 69403240), (4, 52052430), (5, 41641944), (6, 34701620), (8, 26026215), (10, 20820972), (12, 17350810), (15, 13880648), (20, 10410486), (24, 8675405), (30, 6940324), (40, 5205243), (60, 3470162), (120, 1735081), (199, 1046280), (398, 523140), (597, 348760), (796, 261570), (995, 209256), (1194, 174380), (1592, 130785), (1990, 104628), (2388, 87190), (2985, 69752), (3980, 52314), (4776, 43595), (5970, 34876), (7960, 26157), (8719, 23880), (11940, 17438)]