219722940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1289}}^1$

素因数の和:2251

約数の個数: 72

約数和(自身を含む): 667714320

約数和(自身を除く): 447991380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 947, 1289, 1894, 2578, 2841, 3788, 3867, 4735, 5156, 5682, 6445, 7734, 8523, 9470, 11364, 11601, 12890, 14205, 15468, 17046, 18940, 19335, 23202, 25780, 28410, 34092, 38670, 42615, 46404, 56820, 58005, 77340, 85230, 116010, 170460, 232020, 1220683, 2441366, 3662049, 4882732, 6103415, 7324098, 10986147, 12206830, 14648196, 18310245, 21972294, 24413660, 36620490, 43944588, 54930735, 73240980, 109861470, 219722940]

約数ペア:

[(1, 219722940), (2, 109861470), (3, 73240980), (4, 54930735), (5, 43944588), (6, 36620490), (9, 24413660), (10, 21972294), (12, 18310245), (15, 14648196), (18, 12206830), (20, 10986147), (30, 7324098), (36, 6103415), (45, 4882732), (60, 3662049), (90, 2441366), (180, 1220683), (947, 232020), (1289, 170460), (1894, 116010), (2578, 85230), (2841, 77340), (3788, 58005), (3867, 56820), (4735, 46404), (5156, 42615), (5682, 38670), (6445, 34092), (7734, 28410), (8523, 25780), (9470, 23202), (11364, 19335), (11601, 18940), (12890, 17046), (14205, 15468)]