298972664720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1\times {\mathrm{67723}}^1$

素因数の和:68272

約数の個数: 80

約数和(自身を含む): 701886118080

約数和(自身を除く): 402913453360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 397, 556, 695, 794, 1112, 1390, 1588, 1985, 2224, 2780, 3176, 3970, 5560, 6352, 7940, 11120, 15880, 31760, 55183, 67723, 110366, 135446, 220732, 270892, 275915, 338615, 441464, 541784, 551830, 677230, 882928, 1083568, 1103660, 1354460, 2207320, 2708920, 4414640, 5417840, 9413497, 18826994, 26886031, 37653988, 47067485, 53772062, 75307976, 94134970, 107544124, 134430155, 150615952, 188269940, 215088248, 268860310, 376539880, 430176496, 537720620, 753079760, 1075441240, 2150882480, 3737158309, 7474316618, 14948633236, 18685791545, 29897266472, 37371583090, 59794532944, 74743166180, 149486332360, 298972664720]

約数ペア:

[(1, 298972664720), (2, 149486332360), (4, 74743166180), (5, 59794532944), (8, 37371583090), (10, 29897266472), (16, 18685791545), (20, 14948633236), (40, 7474316618), (80, 3737158309), (139, 2150882480), (278, 1075441240), (397, 753079760), (556, 537720620), (695, 430176496), (794, 376539880), (1112, 268860310), (1390, 215088248), (1588, 188269940), (1985, 150615952), (2224, 134430155), (2780, 107544124), (3176, 94134970), (3970, 75307976), (5560, 53772062), (6352, 47067485), (7940, 37653988), (11120, 26886031), (15880, 18826994), (31760, 9413497), (55183, 5417840), (67723, 4414640), (110366, 2708920), (135446, 2207320), (220732, 1354460), (270892, 1103660), (275915, 1083568), (338615, 882928), (441464, 677230), (541784, 551830)]