221400520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29599}}^1$

素因数の和:29638

約数の個数: 64

約数和(自身を含む): 575424000

約数和(自身を除く): 354023480

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, 3740, 7480, 29599, 59198, 118396, 147995, 236792, 295990, 325589, 503183, 591980, 651178, 1006366, 1183960, 1302356, 1627945, 2012732, 2515915, 2604712, 3255890, 4025464, 5031830, 5535013, 6511780, 10063660, 11070026, 13023560, 20127320, 22140052, 27675065, 44280104, 55350130, 110700260, 221400520]

約数ペア:

[(1, 221400520), (2, 110700260), (4, 55350130), (5, 44280104), (8, 27675065), (10, 22140052), (11, 20127320), (17, 13023560), (20, 11070026), (22, 10063660), (34, 6511780), (40, 5535013), (44, 5031830), (55, 4025464), (68, 3255890), (85, 2604712), (88, 2515915), (110, 2012732), (136, 1627945), (170, 1302356), (187, 1183960), (220, 1006366), (340, 651178), (374, 591980), (440, 503183), (680, 325589), (748, 295990), (935, 236792), (1496, 147995), (1870, 118396), (3740, 59198), (7480, 29599)]