72203450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 152106336

約数和(自身を除く): 79902886

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 71, 86, 110, 142, 215, 275, 355, 430, 473, 550, 710, 781, 946, 1075, 1562, 1775, 1849, 2150, 2365, 3053, 3550, 3698, 3905, 4730, 6106, 7810, 9245, 11825, 15265, 18490, 19525, 20339, 23650, 30530, 33583, 39050, 40678, 46225, 67166, 76325, 92450, 101695, 131279, 152650, 167915, 203390, 262558, 335830, 508475, 656395, 839575, 1016950, 1312790, 1444069, 1679150, 2888138, 3281975, 6563950, 7220345, 14440690, 36101725, 72203450]

約数ペア:

[(1, 72203450), (2, 36101725), (5, 14440690), (10, 7220345), (11, 6563950), (22, 3281975), (25, 2888138), (43, 1679150), (50, 1444069), (55, 1312790), (71, 1016950), (86, 839575), (110, 656395), (142, 508475), (215, 335830), (275, 262558), (355, 203390), (430, 167915), (473, 152650), (550, 131279), (710, 101695), (781, 92450), (946, 76325), (1075, 67166), (1562, 46225), (1775, 40678), (1849, 39050), (2150, 33583), (2365, 30530), (3053, 23650), (3550, 20339), (3698, 19525), (3905, 18490), (4730, 15265), (6106, 11825), (7810, 9245)]