29209220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 34294780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 179, 199, 205, 358, 398, 410, 716, 796, 820, 895, 995, 1790, 1990, 3580, 3980, 7339, 8159, 14678, 16318, 29356, 32636, 35621, 36695, 40795, 71242, 73390, 81590, 142484, 146780, 163180, 178105, 356210, 712420, 1460461, 2920922, 5841844, 7302305, 14604610, 29209220]

約数ペア:

[(1, 29209220), (2, 14604610), (4, 7302305), (5, 5841844), (10, 2920922), (20, 1460461), (41, 712420), (82, 356210), (164, 178105), (179, 163180), (199, 146780), (205, 142484), (358, 81590), (398, 73390), (410, 71242), (716, 40795), (796, 36695), (820, 35621), (895, 32636), (995, 29356), (1790, 16318), (1990, 14678), (3580, 8159), (3980, 7339)]