521036240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{919}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 1279977600

約数和(自身を除く): 758941360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 373, 380, 746, 760, 919, 1492, 1520, 1838, 1865, 2984, 3676, 3730, 4595, 5968, 7087, 7352, 7460, 9190, 14174, 14704, 14920, 17461, 18380, 28348, 29840, 34922, 35435, 36760, 56696, 69844, 70870, 73520, 87305, 113392, 139688, 141740, 174610, 279376, 283480, 342787, 349220, 566960, 685574, 698440, 1371148, 1396880, 1713935, 2742296, 3427870, 5484592, 6512953, 6855740, 13025906, 13711480, 26051812, 27422960, 32564765, 52103624, 65129530, 104207248, 130259060, 260518120, 521036240]

約数ペア:

[(1, 521036240), (2, 260518120), (4, 130259060), (5, 104207248), (8, 65129530), (10, 52103624), (16, 32564765), (19, 27422960), (20, 26051812), (38, 13711480), (40, 13025906), (76, 6855740), (80, 6512953), (95, 5484592), (152, 3427870), (190, 2742296), (304, 1713935), (373, 1396880), (380, 1371148), (746, 698440), (760, 685574), (919, 566960), (1492, 349220), (1520, 342787), (1838, 283480), (1865, 279376), (2984, 174610), (3676, 141740), (3730, 139688), (4595, 113392), (5968, 87305), (7087, 73520), (7352, 70870), (7460, 69844), (9190, 56696), (14174, 36760), (14704, 35435), (14920, 34922), (17461, 29840), (18380, 28348)]