199456490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 398908800

約数和(自身を除く): 199452310

約数列:

[1, 2, 5, 10, 19, 29, 38, 53, 58, 95, 106, 145, 190, 265, 290, 530, 551, 683, 1007, 1102, 1366, 1537, 2014, 2755, 3074, 3415, 5035, 5510, 6830, 7685, 10070, 12977, 15370, 19807, 25954, 29203, 36199, 39614, 58406, 64885, 72398, 99035, 129770, 146015, 180995, 198070, 292030, 361990, 376333, 687781, 752666, 1049771, 1375562, 1881665, 2099542, 3438905, 3763330, 5248855, 6877810, 10497710, 19945649, 39891298, 99728245, 199456490]

約数ペア:

[(1, 199456490), (2, 99728245), (5, 39891298), (10, 19945649), (19, 10497710), (29, 6877810), (38, 5248855), (53, 3763330), (58, 3438905), (95, 2099542), (106, 1881665), (145, 1375562), (190, 1049771), (265, 752666), (290, 687781), (530, 376333), (551, 361990), (683, 292030), (1007, 198070), (1102, 180995), (1366, 146015), (1537, 129770), (2014, 99035), (2755, 72398), (3074, 64885), (3415, 58406), (5035, 39614), (5510, 36199), (6830, 29203), (7685, 25954), (10070, 19807), (12977, 15370)]