248702970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 656409600

約数和(自身を除く): 407706630

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 73, 86, 95, 114, 129, 139, 146, 190, 215, 219, 258, 278, 285, 365, 417, 430, 438, 570, 645, 695, 730, 817, 834, 1095, 1290, 1387, 1390, 1634, 2085, 2190, 2451, 2641, 2774, 3139, 4085, 4161, 4170, 4902, 5282, 5977, 6278, 6935, 7923, 8170, 8322, 9417, 10147, 11954, 12255, 13205, 13870, 15695, 15846, 17931, 18834, 20294, 20805, 24510, 26410, 29885, 30441, 31390, 35862, 39615, 41610, 47085, 50735, 59641, 59770, 60882, 79230, 89655, 94170, 101470, 113563, 119282, 152205, 178923, 179310, 192793, 227126, 298205, 304410, 340689, 357846, 385586, 436321, 567815, 578379, 596410, 681378, 872642, 894615, 963965, 1135630, 1156758, 1308963, 1703445, 1789230, 1927930, 2181605, 2617926, 2891895, 3406890, 4363210, 5783790, 6544815, 8290099, 13089630, 16580198, 24870297, 41450495, 49740594, 82900990, 124351485, 248702970]

約数ペア:

[(1, 248702970), (2, 124351485), (3, 82900990), (5, 49740594), (6, 41450495), (10, 24870297), (15, 16580198), (19, 13089630), (30, 8290099), (38, 6544815), (43, 5783790), (57, 4363210), (73, 3406890), (86, 2891895), (95, 2617926), (114, 2181605), (129, 1927930), (139, 1789230), (146, 1703445), (190, 1308963), (215, 1156758), (219, 1135630), (258, 963965), (278, 894615), (285, 872642), (365, 681378), (417, 596410), (430, 578379), (438, 567815), (570, 436321), (645, 385586), (695, 357846), (730, 340689), (817, 304410), (834, 298205), (1095, 227126), (1290, 192793), (1387, 179310), (1390, 178923), (1634, 152205), (2085, 119282), (2190, 113563), (2451, 101470), (2641, 94170), (2774, 89655), (3139, 79230), (4085, 60882), (4161, 59770), (4170, 59641), (4902, 50735), (5282, 47085), (5977, 41610), (6278, 39615), (6935, 35862), (7923, 31390), (8170, 30441), (8322, 29885), (9417, 26410), (10147, 24510), (11954, 20805), (12255, 20294), (13205, 18834), (13870, 17931), (15695, 15846)]