947994620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{7759}}^1$

素因数の和:7958

約数の個数: 48

約数和(自身を含む): 2053296000

約数和(自身を除く): 1105301380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 298, 410, 596, 745, 820, 1490, 2980, 6109, 7759, 12218, 15518, 24436, 30545, 31036, 38795, 61090, 77590, 122180, 155180, 318119, 636238, 1156091, 1272476, 1590595, 2312182, 3181190, 4624364, 5780455, 6362380, 11560910, 23121820, 47399731, 94799462, 189598924, 236998655, 473997310, 947994620]

約数ペア:

[(1, 947994620), (2, 473997310), (4, 236998655), (5, 189598924), (10, 94799462), (20, 47399731), (41, 23121820), (82, 11560910), (149, 6362380), (164, 5780455), (205, 4624364), (298, 3181190), (410, 2312182), (596, 1590595), (745, 1272476), (820, 1156091), (1490, 636238), (2980, 318119), (6109, 155180), (7759, 122180), (12218, 77590), (15518, 61090), (24436, 38795), (30545, 31036)]