1900664020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{14759}}^1$

素因数の和:14952

約数の個数: 48

約数和(自身を含む): 4106350080

約数和(自身を除く): 2205686060

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 137, 188, 235, 274, 470, 548, 685, 940, 1370, 2740, 6439, 12878, 14759, 25756, 29518, 32195, 59036, 64390, 73795, 128780, 147590, 295180, 693673, 1387346, 2021983, 2774692, 3468365, 4043966, 6936730, 8087932, 10109915, 13873460, 20219830, 40439660, 95033201, 190066402, 380132804, 475166005, 950332010, 1900664020]

約数ペア:

[(1, 1900664020), (2, 950332010), (4, 475166005), (5, 380132804), (10, 190066402), (20, 95033201), (47, 40439660), (94, 20219830), (137, 13873460), (188, 10109915), (235, 8087932), (274, 6936730), (470, 4043966), (548, 3468365), (685, 2774692), (940, 2021983), (1370, 1387346), (2740, 693673), (6439, 295180), (12878, 147590), (14759, 128780), (25756, 73795), (29518, 64390), (32195, 59036)]