407492720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2909}}^1$

素因数の和:3042

約数の個数: 80

約数和(自身を含む): 1013238720

約数和(自身を除く): 605746000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 206, 272, 340, 412, 515, 680, 824, 1030, 1360, 1648, 1751, 2060, 2909, 3502, 4120, 5818, 7004, 8240, 8755, 11636, 14008, 14545, 17510, 23272, 28016, 29090, 35020, 46544, 49453, 58180, 70040, 98906, 116360, 140080, 197812, 232720, 247265, 299627, 395624, 494530, 599254, 791248, 989060, 1198508, 1498135, 1978120, 2397016, 2996270, 3956240, 4794032, 5093659, 5992540, 10187318, 11985080, 20374636, 23970160, 25468295, 40749272, 50936590, 81498544, 101873180, 203746360, 407492720]

約数ペア:

[(1, 407492720), (2, 203746360), (4, 101873180), (5, 81498544), (8, 50936590), (10, 40749272), (16, 25468295), (17, 23970160), (20, 20374636), (34, 11985080), (40, 10187318), (68, 5992540), (80, 5093659), (85, 4794032), (103, 3956240), (136, 2996270), (170, 2397016), (206, 1978120), (272, 1498135), (340, 1198508), (412, 989060), (515, 791248), (680, 599254), (824, 494530), (1030, 395624), (1360, 299627), (1648, 247265), (1751, 232720), (2060, 197812), (2909, 140080), (3502, 116360), (4120, 98906), (5818, 70040), (7004, 58180), (8240, 49453), (8755, 46544), (11636, 35020), (14008, 29090), (14545, 28016), (17510, 23272)]