619637340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{210761}}^1$

素因数の和:210787

約数の個数: 72

約数和(自身を含む): 2018256912

約数和(自身を除く): 1398619572

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, 210761, 421522, 632283, 843044, 1053805, 1264566, 1475327, 2107610, 2529132, 2950654, 3161415, 4215220, 4425981, 5901308, 6322830, 7376635, 8851962, 10327289, 12645660, 14753270, 17703924, 20654578, 22129905, 29506540, 30981867, 41309156, 44259810, 51636445, 61963734, 88519620, 103272890, 123927468, 154909335, 206545780, 309818670, 619637340]

約数ペア:

[(1, 619637340), (2, 309818670), (3, 206545780), (4, 154909335), (5, 123927468), (6, 103272890), (7, 88519620), (10, 61963734), (12, 51636445), (14, 44259810), (15, 41309156), (20, 30981867), (21, 29506540), (28, 22129905), (30, 20654578), (35, 17703924), (42, 14753270), (49, 12645660), (60, 10327289), (70, 8851962), (84, 7376635), (98, 6322830), (105, 5901308), (140, 4425981), (147, 4215220), (196, 3161415), (210, 2950654), (245, 2529132), (294, 2107610), (420, 1475327), (490, 1264566), (588, 1053805), (735, 843044), (980, 632283), (1470, 421522), (2940, 210761)]