245003010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 695844864

約数和(自身を除く): 450841854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 103, 105, 141, 206, 210, 235, 241, 282, 309, 329, 470, 482, 515, 618, 658, 705, 721, 723, 987, 1030, 1205, 1410, 1442, 1446, 1545, 1645, 1687, 1974, 2163, 2410, 3090, 3290, 3374, 3605, 3615, 4326, 4841, 4935, 5061, 7210, 7230, 8435, 9682, 9870, 10122, 10815, 11327, 14523, 16870, 21630, 22654, 24205, 24823, 25305, 29046, 33887, 33981, 48410, 49646, 50610, 56635, 67774, 67962, 72615, 74469, 79289, 101661, 113270, 124115, 145230, 148938, 158578, 169435, 169905, 173761, 203322, 237867, 248230, 338870, 339810, 347522, 372345, 396445, 475734, 508305, 521283, 744690, 792890, 868805, 1016610, 1042566, 1166681, 1189335, 1737610, 2333362, 2378670, 2606415, 3500043, 5212830, 5833405, 7000086, 8166767, 11666810, 16333534, 17500215, 24500301, 35000430, 40833835, 49000602, 81667670, 122501505, 245003010]

約数ペア:

[(1, 245003010), (2, 122501505), (3, 81667670), (5, 49000602), (6, 40833835), (7, 35000430), (10, 24500301), (14, 17500215), (15, 16333534), (21, 11666810), (30, 8166767), (35, 7000086), (42, 5833405), (47, 5212830), (70, 3500043), (94, 2606415), (103, 2378670), (105, 2333362), (141, 1737610), (206, 1189335), (210, 1166681), (235, 1042566), (241, 1016610), (282, 868805), (309, 792890), (329, 744690), (470, 521283), (482, 508305), (515, 475734), (618, 396445), (658, 372345), (705, 347522), (721, 339810), (723, 338870), (987, 248230), (1030, 237867), (1205, 203322), (1410, 173761), (1442, 169905), (1446, 169435), (1545, 158578), (1645, 148938), (1687, 145230), (1974, 124115), (2163, 113270), (2410, 101661), (3090, 79289), (3290, 74469), (3374, 72615), (3605, 67962), (3615, 67774), (4326, 56635), (4841, 50610), (4935, 49646), (5061, 48410), (7210, 33981), (7230, 33887), (8435, 29046), (9682, 25305), (9870, 24823), (10122, 24205), (10815, 22654), (11327, 21630), (14523, 16870)]