247950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 72

約数和(自身を含む): 725400

約数和(自身を除く): 477450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 29, 30, 38, 45, 50, 57, 58, 75, 87, 90, 95, 114, 145, 150, 171, 174, 190, 225, 261, 285, 290, 342, 435, 450, 475, 522, 551, 570, 725, 855, 870, 950, 1102, 1305, 1425, 1450, 1653, 1710, 2175, 2610, 2755, 2850, 3306, 4275, 4350, 4959, 5510, 6525, 8265, 8550, 9918, 13050, 13775, 16530, 24795, 27550, 41325, 49590, 82650, 123975, 247950]

約数ペア:

[(1, 247950), (2, 123975), (3, 82650), (5, 49590), (6, 41325), (9, 27550), (10, 24795), (15, 16530), (18, 13775), (19, 13050), (25, 9918), (29, 8550), (30, 8265), (38, 6525), (45, 5510), (50, 4959), (57, 4350), (58, 4275), (75, 3306), (87, 2850), (90, 2755), (95, 2610), (114, 2175), (145, 1710), (150, 1653), (171, 1450), (174, 1425), (190, 1305), (225, 1102), (261, 950), (285, 870), (290, 855), (342, 725), (435, 570), (450, 551), (475, 522)]