198207050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 72

約数和(自身を含む): 396849600

約数和(自身を除く): 198642550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 139, 158, 190, 278, 361, 395, 475, 695, 722, 790, 950, 1390, 1501, 1805, 1975, 2641, 3002, 3475, 3610, 3950, 5282, 6950, 7505, 9025, 10981, 13205, 15010, 18050, 21962, 26410, 28519, 37525, 50179, 54905, 57038, 66025, 75050, 100358, 109810, 132050, 142595, 208639, 250895, 274525, 285190, 417278, 501790, 549050, 712975, 1043195, 1254475, 1425950, 2086390, 2508950, 3964141, 5215975, 7928282, 10431950, 19820705, 39641410, 99103525, 198207050]

約数ペア:

[(1, 198207050), (2, 99103525), (5, 39641410), (10, 19820705), (19, 10431950), (25, 7928282), (38, 5215975), (50, 3964141), (79, 2508950), (95, 2086390), (139, 1425950), (158, 1254475), (190, 1043195), (278, 712975), (361, 549050), (395, 501790), (475, 417278), (695, 285190), (722, 274525), (790, 250895), (950, 208639), (1390, 142595), (1501, 132050), (1805, 109810), (1975, 100358), (2641, 75050), (3002, 66025), (3475, 57038), (3610, 54905), (3950, 50179), (5282, 37525), (6950, 28519), (7505, 26410), (9025, 21962), (10981, 18050), (13205, 15010)]