40289410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 46801790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 89, 145, 178, 203, 223, 290, 406, 445, 446, 623, 890, 1015, 1115, 1246, 1561, 2030, 2230, 2581, 3115, 3122, 5162, 6230, 6467, 7805, 12905, 12934, 15610, 18067, 19847, 25810, 32335, 36134, 39694, 45269, 64670, 90335, 90538, 99235, 138929, 180670, 198470, 226345, 277858, 452690, 575563, 694645, 1151126, 1389290, 2877815, 4028941, 5755630, 8057882, 20144705, 40289410]

約数ペア:

[(1, 40289410), (2, 20144705), (5, 8057882), (7, 5755630), (10, 4028941), (14, 2877815), (29, 1389290), (35, 1151126), (58, 694645), (70, 575563), (89, 452690), (145, 277858), (178, 226345), (203, 198470), (223, 180670), (290, 138929), (406, 99235), (445, 90538), (446, 90335), (623, 64670), (890, 45269), (1015, 39694), (1115, 36134), (1246, 32335), (1561, 25810), (2030, 19847), (2230, 18067), (2581, 15610), (3115, 12934), (3122, 12905), (5162, 7805), (6230, 6467)]