28247450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 71245440

約数和(自身を除く): 42997990

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 29, 35, 46, 50, 55, 58, 70, 77, 110, 115, 121, 145, 154, 161, 175, 203, 230, 242, 253, 275, 290, 319, 322, 350, 385, 406, 506, 550, 575, 605, 638, 667, 725, 770, 805, 847, 1015, 1150, 1210, 1265, 1334, 1450, 1595, 1610, 1694, 1771, 1925, 2030, 2233, 2530, 2783, 3025, 3190, 3335, 3509, 3542, 3850, 4025, 4235, 4466, 4669, 5075, 5566, 6050, 6325, 6670, 7018, 7337, 7975, 8050, 8470, 8855, 9338, 10150, 11165, 12650, 13915, 14674, 15950, 16675, 17545, 17710, 19481, 21175, 22330, 23345, 24563, 27830, 33350, 35090, 36685, 38962, 42350, 44275, 46690, 49126, 51359, 55825, 69575, 73370, 80707, 87725, 88550, 97405, 102718, 111650, 116725, 122815, 139150, 161414, 175450, 183425, 194810, 233450, 245630, 256795, 366850, 403535, 487025, 513590, 564949, 614075, 807070, 974050, 1129898, 1228150, 1283975, 2017675, 2567950, 2824745, 4035350, 5649490, 14123725, 28247450]

約数ペア:

[(1, 28247450), (2, 14123725), (5, 5649490), (7, 4035350), (10, 2824745), (11, 2567950), (14, 2017675), (22, 1283975), (23, 1228150), (25, 1129898), (29, 974050), (35, 807070), (46, 614075), (50, 564949), (55, 513590), (58, 487025), (70, 403535), (77, 366850), (110, 256795), (115, 245630), (121, 233450), (145, 194810), (154, 183425), (161, 175450), (175, 161414), (203, 139150), (230, 122815), (242, 116725), (253, 111650), (275, 102718), (290, 97405), (319, 88550), (322, 87725), (350, 80707), (385, 73370), (406, 69575), (506, 55825), (550, 51359), (575, 49126), (605, 46690), (638, 44275), (667, 42350), (725, 38962), (770, 36685), (805, 35090), (847, 33350), (1015, 27830), (1150, 24563), (1210, 23345), (1265, 22330), (1334, 21175), (1450, 19481), (1595, 17710), (1610, 17545), (1694, 16675), (1771, 15950), (1925, 14674), (2030, 13915), (2233, 12650), (2530, 11165), (2783, 10150), (3025, 9338), (3190, 8855), (3335, 8470), (3509, 8050), (3542, 7975), (3850, 7337), (4025, 7018), (4235, 6670), (4466, 6325), (4669, 6050), (5075, 5566)]