223839080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 518918400

約数和(自身を除く): 295079320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 215, 344, 362, 430, 719, 724, 860, 905, 1438, 1448, 1720, 1810, 2876, 3595, 3620, 5752, 7190, 7240, 7783, 14380, 15566, 28760, 30917, 31132, 38915, 61834, 62264, 77830, 123668, 130139, 154585, 155660, 247336, 260278, 309170, 311320, 520556, 618340, 650695, 1041112, 1236680, 1301390, 2602780, 5205560, 5595977, 11191954, 22383908, 27979885, 44767816, 55959770, 111919540, 223839080]

約数ペア:

[(1, 223839080), (2, 111919540), (4, 55959770), (5, 44767816), (8, 27979885), (10, 22383908), (20, 11191954), (40, 5595977), (43, 5205560), (86, 2602780), (172, 1301390), (181, 1236680), (215, 1041112), (344, 650695), (362, 618340), (430, 520556), (719, 311320), (724, 309170), (860, 260278), (905, 247336), (1438, 155660), (1448, 154585), (1720, 130139), (1810, 123668), (2876, 77830), (3595, 62264), (3620, 61834), (5752, 38915), (7190, 31132), (7240, 30917), (7783, 28760), (14380, 15566)]