42213165.000000000

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{587}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 347719680

約数和(自身を除く): 187950020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 439, 587, 620, 878, 1174, 1756, 2195, 2348, 2935, 4390, 5870, 8780, 11740, 13609, 18197, 27218, 36394, 54436, 68045, 72788, 90985, 136090, 181970, 257693, 272180, 363940, 515386, 1030772, 1288465, 2576930, 5153860, 7988483, 15976966, 31953932, 39942415, 79884830, 159769660]

約数ペア:

[(1, 159769660), (2, 79884830), (4, 39942415), (5, 31953932), (10, 15976966), (20, 7988483), (31, 5153860), (62, 2576930), (124, 1288465), (155, 1030772), (310, 515386), (439, 363940), (587, 272180), (620, 257693), (878, 181970), (1174, 136090), (1756, 90985), (2195, 72788), (2348, 68045), (2935, 54436), (4390, 36394), (5870, 27218), (8780, 18197), (11740, 13609)]