49921880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 116964000

約数和(自身を除く): 67042120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 356, 370, 379, 445, 712, 740, 758, 890, 1480, 1516, 1780, 1895, 3032, 3293, 3560, 3790, 6586, 7580, 13172, 14023, 15160, 16465, 26344, 28046, 32930, 33731, 56092, 65860, 67462, 70115, 112184, 131720, 134924, 140230, 168655, 269848, 280460, 337310, 560920, 674620, 1248047, 1349240, 2496094, 4992188, 6240235, 9984376, 12480470, 24960940, 49921880]

約数ペア:

[(1, 49921880), (2, 24960940), (4, 12480470), (5, 9984376), (8, 6240235), (10, 4992188), (20, 2496094), (37, 1349240), (40, 1248047), (74, 674620), (89, 560920), (148, 337310), (178, 280460), (185, 269848), (296, 168655), (356, 140230), (370, 134924), (379, 131720), (445, 112184), (712, 70115), (740, 67462), (758, 65860), (890, 56092), (1480, 33731), (1516, 32930), (1780, 28046), (1895, 26344), (3032, 16465), (3293, 15160), (3560, 14023), (3790, 13172), (6586, 7580)]