161313340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{12823}}^1$

素因数の和:12886

約数の個数: 48

約数和(自身を含む): 368407872

約数和(自身を除く): 207094532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 12823, 25646, 51292, 64115, 128230, 217991, 256460, 435982, 474451, 871964, 948902, 1089955, 1897804, 2179910, 2372255, 4359820, 4744510, 8065667, 9489020, 16131334, 32262668, 40328335, 80656670, 161313340]

約数ペア:

[(1, 161313340), (2, 80656670), (4, 40328335), (5, 32262668), (10, 16131334), (17, 9489020), (20, 8065667), (34, 4744510), (37, 4359820), (68, 2372255), (74, 2179910), (85, 1897804), (148, 1089955), (170, 948902), (185, 871964), (340, 474451), (370, 435982), (629, 256460), (740, 217991), (1258, 128230), (2516, 64115), (3145, 51292), (6290, 25646), (12580, 12823)]