29198920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 68468400

約数和(自身を除く): 39269480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 181, 185, 218, 296, 362, 370, 436, 545, 724, 740, 872, 905, 1090, 1448, 1480, 1810, 2180, 3620, 4033, 4360, 6697, 7240, 8066, 13394, 16132, 19729, 20165, 26788, 32264, 33485, 39458, 40330, 53576, 66970, 78916, 80660, 98645, 133940, 157832, 161320, 197290, 267880, 394580, 729973, 789160, 1459946, 2919892, 3649865, 5839784, 7299730, 14599460, 29198920]

約数ペア:

[(1, 29198920), (2, 14599460), (4, 7299730), (5, 5839784), (8, 3649865), (10, 2919892), (20, 1459946), (37, 789160), (40, 729973), (74, 394580), (109, 267880), (148, 197290), (181, 161320), (185, 157832), (218, 133940), (296, 98645), (362, 80660), (370, 78916), (436, 66970), (545, 53576), (724, 40330), (740, 39458), (872, 33485), (905, 32264), (1090, 26788), (1448, 20165), (1480, 19729), (1810, 16132), (2180, 13394), (3620, 8066), (4033, 7240), (4360, 6697)]