123689810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 243544320

約数和(自身を除く): 119854510

約数列:

[1, 2, 5, 10, 19, 38, 53, 71, 95, 106, 142, 173, 190, 265, 346, 355, 530, 710, 865, 1007, 1349, 1730, 2014, 2698, 3287, 3763, 5035, 6574, 6745, 7526, 9169, 10070, 12283, 13490, 16435, 18338, 18815, 24566, 32870, 37630, 45845, 61415, 71497, 91690, 122830, 142994, 174211, 233377, 348422, 357485, 466754, 650999, 714970, 871055, 1166885, 1301998, 1742110, 2333770, 3254995, 6509990, 12368981, 24737962, 61844905, 123689810]

約数ペア:

[(1, 123689810), (2, 61844905), (5, 24737962), (10, 12368981), (19, 6509990), (38, 3254995), (53, 2333770), (71, 1742110), (95, 1301998), (106, 1166885), (142, 871055), (173, 714970), (190, 650999), (265, 466754), (346, 357485), (355, 348422), (530, 233377), (710, 174211), (865, 142994), (1007, 122830), (1349, 91690), (1730, 71497), (2014, 61415), (2698, 45845), (3287, 37630), (3763, 32870), (5035, 24566), (6574, 18815), (6745, 18338), (7526, 16435), (9169, 13490), (10070, 12283)]