218509620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74323}}^1$

素因数の和:74349

約数の個数: 72

約数和(自身を含む): 711726624

約数和(自身を除く): 493217004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 74323, 148646, 222969, 297292, 371615, 445938, 520261, 743230, 891876, 1040522, 1114845, 1486460, 1560783, 2081044, 2229690, 2601305, 3121566, 3641827, 4459380, 5202610, 6243132, 7283654, 7803915, 10405220, 10925481, 14567308, 15607830, 18209135, 21850962, 31215660, 36418270, 43701924, 54627405, 72836540, 109254810, 218509620]

約数ペア:

[(1, 218509620), (2, 109254810), (3, 72836540), (4, 54627405), (5, 43701924), (6, 36418270), (7, 31215660), (10, 21850962), (12, 18209135), (14, 15607830), (15, 14567308), (20, 10925481), (21, 10405220), (28, 7803915), (30, 7283654), (35, 6243132), (42, 5202610), (49, 4459380), (60, 3641827), (70, 3121566), (84, 2601305), (98, 2229690), (105, 2081044), (140, 1560783), (147, 1486460), (196, 1114845), (210, 1040522), (245, 891876), (294, 743230), (420, 520261), (490, 445938), (588, 371615), (735, 297292), (980, 222969), (1470, 148646), (2940, 74323)]