17869720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 46461600

約数和(自身を除く): 28591880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2389, 3740, 4778, 7480, 9556, 11945, 19112, 23890, 26279, 40613, 47780, 52558, 81226, 95560, 105116, 131395, 162452, 203065, 210232, 262790, 324904, 406130, 446743, 525580, 812260, 893486, 1051160, 1624520, 1786972, 2233715, 3573944, 4467430, 8934860, 17869720]

約数ペア:

[(1, 17869720), (2, 8934860), (4, 4467430), (5, 3573944), (8, 2233715), (10, 1786972), (11, 1624520), (17, 1051160), (20, 893486), (22, 812260), (34, 525580), (40, 446743), (44, 406130), (55, 324904), (68, 262790), (85, 210232), (88, 203065), (110, 162452), (136, 131395), (170, 105116), (187, 95560), (220, 81226), (340, 52558), (374, 47780), (440, 40613), (680, 26279), (748, 23890), (935, 19112), (1496, 11945), (1870, 9556), (2389, 7480), (3740, 4778)]