28813620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 88905600

約数和(自身を除く): 60091980

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 149, 165, 220, 293, 298, 330, 447, 586, 596, 660, 745, 879, 894, 1172, 1465, 1490, 1639, 1758, 1788, 2235, 2930, 2980, 3223, 3278, 3516, 4395, 4470, 4917, 5860, 6446, 6556, 8195, 8790, 8940, 9669, 9834, 12892, 16115, 16390, 17580, 19338, 19668, 24585, 32230, 32780, 38676, 43657, 48345, 49170, 64460, 87314, 96690, 98340, 130971, 174628, 193380, 218285, 261942, 436570, 480227, 523884, 654855, 873140, 960454, 1309710, 1440681, 1920908, 2401135, 2619420, 2881362, 4802270, 5762724, 7203405, 9604540, 14406810, 28813620]

約数ペア:

[(1, 28813620), (2, 14406810), (3, 9604540), (4, 7203405), (5, 5762724), (6, 4802270), (10, 2881362), (11, 2619420), (12, 2401135), (15, 1920908), (20, 1440681), (22, 1309710), (30, 960454), (33, 873140), (44, 654855), (55, 523884), (60, 480227), (66, 436570), (110, 261942), (132, 218285), (149, 193380), (165, 174628), (220, 130971), (293, 98340), (298, 96690), (330, 87314), (447, 64460), (586, 49170), (596, 48345), (660, 43657), (745, 38676), (879, 32780), (894, 32230), (1172, 24585), (1465, 19668), (1490, 19338), (1639, 17580), (1758, 16390), (1788, 16115), (2235, 12892), (2930, 9834), (2980, 9669), (3223, 8940), (3278, 8790), (3516, 8195), (4395, 6556), (4470, 6446), (4917, 5860)]