287242570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 559872000

約数和(自身を除く): 272629430

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 107, 142, 190, 199, 214, 355, 398, 535, 710, 995, 1070, 1349, 1990, 2033, 2698, 3781, 4066, 6745, 7562, 7597, 10165, 13490, 14129, 15194, 18905, 20330, 21293, 28258, 37810, 37985, 42586, 70645, 75970, 106465, 141290, 144343, 212930, 268451, 288686, 404567, 536902, 721715, 809134, 1342255, 1443430, 1511803, 2022835, 2684510, 3023606, 4045670, 7559015, 15118030, 28724257, 57448514, 143621285, 287242570]

約数ペア:

[(1, 287242570), (2, 143621285), (5, 57448514), (10, 28724257), (19, 15118030), (38, 7559015), (71, 4045670), (95, 3023606), (107, 2684510), (142, 2022835), (190, 1511803), (199, 1443430), (214, 1342255), (355, 809134), (398, 721715), (535, 536902), (710, 404567), (995, 288686), (1070, 268451), (1349, 212930), (1990, 144343), (2033, 141290), (2698, 106465), (3781, 75970), (4066, 70645), (6745, 42586), (7562, 37985), (7597, 37810), (10165, 28258), (13490, 21293), (14129, 20330), (15194, 18905)]