521500390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 1007769600

約数和(自身を除く): 486269210

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 179, 230, 239, 265, 358, 478, 530, 895, 1195, 1219, 1790, 2390, 2438, 4117, 5497, 6095, 8234, 9487, 10994, 12190, 12667, 18974, 20585, 25334, 27485, 41170, 42781, 47435, 54970, 63335, 85562, 94870, 126670, 213905, 218201, 291341, 427810, 436402, 582682, 983963, 1091005, 1456705, 1967926, 2182010, 2267393, 2913410, 4534786, 4919815, 9839630, 11336965, 22673930, 52150039, 104300078, 260750195, 521500390]

約数ペア:

[(1, 521500390), (2, 260750195), (5, 104300078), (10, 52150039), (23, 22673930), (46, 11336965), (53, 9839630), (106, 4919815), (115, 4534786), (179, 2913410), (230, 2267393), (239, 2182010), (265, 1967926), (358, 1456705), (478, 1091005), (530, 983963), (895, 582682), (1195, 436402), (1219, 427810), (1790, 291341), (2390, 218201), (2438, 213905), (4117, 126670), (5497, 94870), (6095, 85562), (8234, 63335), (9487, 54970), (10994, 47435), (12190, 42781), (12667, 41170), (18974, 27485), (20585, 25334)]