201253240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1489}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 472032000

約数和(自身を除く): 270778760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 1090, 1240, 1489, 2180, 2978, 3379, 4360, 5956, 6758, 7445, 11912, 13516, 14890, 16895, 27032, 29780, 33790, 46159, 59560, 67580, 92318, 135160, 162301, 184636, 230795, 324602, 369272, 461590, 649204, 811505, 923180, 1298408, 1623010, 1846360, 3246020, 5031331, 6492040, 10062662, 20125324, 25156655, 40250648, 50313310, 100626620, 201253240]

約数ペア:

[(1, 201253240), (2, 100626620), (4, 50313310), (5, 40250648), (8, 25156655), (10, 20125324), (20, 10062662), (31, 6492040), (40, 5031331), (62, 3246020), (109, 1846360), (124, 1623010), (155, 1298408), (218, 923180), (248, 811505), (310, 649204), (436, 461590), (545, 369272), (620, 324602), (872, 230795), (1090, 184636), (1240, 162301), (1489, 135160), (2180, 92318), (2978, 67580), (3379, 59560), (4360, 46159), (5956, 33790), (6758, 29780), (7445, 27032), (11912, 16895), (13516, 14890)]