74837240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30671}}^1$

素因数の和:30743

約数の個数: 32

約数和(自身を含む): 171149760

約数和(自身を除く): 96312520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 30671, 61342, 122684, 153355, 245368, 306710, 613420, 1226840, 1870931, 3741862, 7483724, 9354655, 14967448, 18709310, 37418620, 74837240]

約数ペア:

[(1, 74837240), (2, 37418620), (4, 18709310), (5, 14967448), (8, 9354655), (10, 7483724), (20, 3741862), (40, 1870931), (61, 1226840), (122, 613420), (244, 306710), (305, 245368), (488, 153355), (610, 122684), (1220, 61342), (2440, 30671)]