404740180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{4703}}^1$

素因数の和:5056

約数の個数: 48

約数和(自身を含む): 918296064

約数和(自身を除く): 513555884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 3310, 4303, 4703, 6620, 8606, 9406, 17212, 18812, 21515, 23515, 43030, 47030, 61139, 86060, 94060, 122278, 244556, 305695, 611390, 1222780, 1556693, 3113386, 6226772, 7783465, 15566930, 20237009, 31133860, 40474018, 80948036, 101185045, 202370090, 404740180]

約数ペア:

[(1, 404740180), (2, 202370090), (4, 101185045), (5, 80948036), (10, 40474018), (13, 31133860), (20, 20237009), (26, 15566930), (52, 7783465), (65, 6226772), (130, 3113386), (260, 1556693), (331, 1222780), (662, 611390), (1324, 305695), (1655, 244556), (3310, 122278), (4303, 94060), (4703, 86060), (6620, 61139), (8606, 47030), (9406, 43030), (17212, 23515), (18812, 21515)]