1247996950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^2$

素因数の和:430

約数の個数: 72

約数和(自身を含む): 2517104520

約数和(自身を除く): 1269107570

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 179, 190, 205, 358, 410, 475, 779, 895, 950, 1025, 1558, 1790, 2050, 3401, 3895, 4475, 6802, 7339, 7790, 8950, 14678, 17005, 19475, 32041, 34010, 36695, 38950, 64082, 73390, 85025, 139441, 160205, 170050, 183475, 278882, 320410, 366950, 608779, 697205, 801025, 1217558, 1313681, 1394410, 1602050, 2627362, 3043895, 3486025, 6087790, 6568405, 6972050, 13136810, 15219475, 24959939, 30438950, 32842025, 49919878, 65684050, 124799695, 249599390, 623998475, 1247996950]

約数ペア:

[(1, 1247996950), (2, 623998475), (5, 249599390), (10, 124799695), (19, 65684050), (25, 49919878), (38, 32842025), (41, 30438950), (50, 24959939), (82, 15219475), (95, 13136810), (179, 6972050), (190, 6568405), (205, 6087790), (358, 3486025), (410, 3043895), (475, 2627362), (779, 1602050), (895, 1394410), (950, 1313681), (1025, 1217558), (1558, 801025), (1790, 697205), (2050, 608779), (3401, 366950), (3895, 320410), (4475, 278882), (6802, 183475), (7339, 170050), (7790, 160205), (8950, 139441), (14678, 85025), (17005, 73390), (19475, 64082), (32041, 38950), (34010, 36695)]