419872360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 1026432000

約数和(自身を除く): 606559640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 79, 92, 106, 109, 115, 158, 184, 212, 218, 230, 265, 316, 395, 424, 436, 460, 530, 545, 632, 790, 872, 920, 1060, 1090, 1219, 1580, 1817, 2120, 2180, 2438, 2507, 3160, 3634, 4187, 4360, 4876, 5014, 5777, 6095, 7268, 8374, 8611, 9085, 9752, 10028, 11554, 12190, 12535, 14536, 16748, 17222, 18170, 20056, 20935, 23108, 24380, 25070, 28885, 33496, 34444, 36340, 41870, 43055, 46216, 48760, 50140, 57770, 68888, 72680, 83740, 86110, 96301, 100280, 115540, 132871, 167480, 172220, 192602, 198053, 231080, 265742, 344440, 385204, 396106, 456383, 481505, 531484, 664355, 770408, 792212, 912766, 963010, 990265, 1062968, 1328710, 1584424, 1825532, 1926020, 1980530, 2281915, 2657420, 3651064, 3852040, 3961060, 4563830, 5314840, 7922120, 9127660, 10496809, 18255320, 20993618, 41987236, 52484045, 83974472, 104968090, 209936180, 419872360]

約数ペア:

[(1, 419872360), (2, 209936180), (4, 104968090), (5, 83974472), (8, 52484045), (10, 41987236), (20, 20993618), (23, 18255320), (40, 10496809), (46, 9127660), (53, 7922120), (79, 5314840), (92, 4563830), (106, 3961060), (109, 3852040), (115, 3651064), (158, 2657420), (184, 2281915), (212, 1980530), (218, 1926020), (230, 1825532), (265, 1584424), (316, 1328710), (395, 1062968), (424, 990265), (436, 963010), (460, 912766), (530, 792212), (545, 770408), (632, 664355), (790, 531484), (872, 481505), (920, 456383), (1060, 396106), (1090, 385204), (1219, 344440), (1580, 265742), (1817, 231080), (2120, 198053), (2180, 192602), (2438, 172220), (2507, 167480), (3160, 132871), (3634, 115540), (4187, 100280), (4360, 96301), (4876, 86110), (5014, 83740), (5777, 72680), (6095, 68888), (7268, 57770), (8374, 50140), (8611, 48760), (9085, 46216), (9752, 43055), (10028, 41870), (11554, 36340), (12190, 34444), (12535, 33496), (14536, 28885), (16748, 25070), (17222, 24380), (18170, 23108), (20056, 20935)]