489016840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{22937}}^1$

素因数の和:23002

約数の個数: 64

約数和(自身を含む): 1213878960

約数和(自身を除く): 724862120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 21320, 22937, 45874, 91748, 114685, 183496, 229370, 298181, 458740, 596362, 917480, 940417, 1192724, 1490905, 1880834, 2385448, 2981810, 3761668, 4702085, 5963620, 7523336, 9404170, 11927240, 12225421, 18808340, 24450842, 37616680, 48901684, 61127105, 97803368, 122254210, 244508420, 489016840]

約数ペア:

[(1, 489016840), (2, 244508420), (4, 122254210), (5, 97803368), (8, 61127105), (10, 48901684), (13, 37616680), (20, 24450842), (26, 18808340), (40, 12225421), (41, 11927240), (52, 9404170), (65, 7523336), (82, 5963620), (104, 4702085), (130, 3761668), (164, 2981810), (205, 2385448), (260, 1880834), (328, 1490905), (410, 1192724), (520, 940417), (533, 917480), (820, 596362), (1066, 458740), (1640, 298181), (2132, 229370), (2665, 183496), (4264, 114685), (5330, 91748), (10660, 45874), (21320, 22937)]