25000366940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 57012729312

約数和(自身を除く): 32012362372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 193, 289, 292, 307, 340, 365, 386, 578, 614, 730, 772, 965, 1156, 1228, 1241, 1445, 1460, 1535, 1930, 2482, 2890, 3070, 3281, 3860, 4964, 5219, 5780, 6140, 6205, 6562, 10438, 12410, 13124, 14089, 16405, 20876, 21097, 22411, 24820, 26095, 28178, 32810, 42194, 44822, 52190, 55777, 56356, 59251, 65620, 70445, 84388, 88723, 89644, 104380, 105485, 111554, 112055, 118502, 140890, 177446, 210970, 223108, 224110, 237004, 239513, 278885, 281780, 296255, 354892, 380987, 421940, 443615, 448220, 479026, 557770, 592510, 761974, 887230, 958052, 1007267, 1115540, 1185020, 1197565, 1523948, 1774460, 1904935, 2014534, 2395130, 3809870, 4029068, 4071721, 4325323, 4790260, 5036335, 6476779, 7619740, 8143442, 8650646, 10072670, 12953558, 16286884, 17123539, 17301292, 20145340, 20358605, 21626615, 25907116, 32383895, 34247078, 40717210, 43253230, 64767790, 68494156, 73530491, 81434420, 85617695, 86506460, 129535580, 147060982, 171235390, 294121964, 342470780, 367652455, 735304910, 1250018347, 1470609820, 2500036694, 5000073388, 6250091735, 12500183470, 25000366940]

約数ペア:

[(1, 25000366940), (2, 12500183470), (4, 6250091735), (5, 5000073388), (10, 2500036694), (17, 1470609820), (20, 1250018347), (34, 735304910), (68, 367652455), (73, 342470780), (85, 294121964), (146, 171235390), (170, 147060982), (193, 129535580), (289, 86506460), (292, 85617695), (307, 81434420), (340, 73530491), (365, 68494156), (386, 64767790), (578, 43253230), (614, 40717210), (730, 34247078), (772, 32383895), (965, 25907116), (1156, 21626615), (1228, 20358605), (1241, 20145340), (1445, 17301292), (1460, 17123539), (1535, 16286884), (1930, 12953558), (2482, 10072670), (2890, 8650646), (3070, 8143442), (3281, 7619740), (3860, 6476779), (4964, 5036335), (5219, 4790260), (5780, 4325323), (6140, 4071721), (6205, 4029068), (6562, 3809870), (10438, 2395130), (12410, 2014534), (13124, 1904935), (14089, 1774460), (16405, 1523948), (20876, 1197565), (21097, 1185020), (22411, 1115540), (24820, 1007267), (26095, 958052), (28178, 887230), (32810, 761974), (42194, 592510), (44822, 557770), (52190, 479026), (55777, 448220), (56356, 443615), (59251, 421940), (65620, 380987), (70445, 354892), (84388, 296255), (88723, 281780), (89644, 278885), (104380, 239513), (105485, 237004), (111554, 224110), (112055, 223108), (118502, 210970), (140890, 177446)]