1900190875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{397}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 2638243296

約数和(自身を除く): 738052421

約数列:

[1, 5, 11, 25, 55, 59, 125, 275, 295, 397, 649, 1375, 1475, 1985, 3245, 3481, 4367, 7375, 9925, 16225, 17405, 21835, 23423, 38291, 49625, 81125, 87025, 109175, 117115, 191455, 257653, 435125, 545875, 585575, 957275, 1288265, 1381957, 2927875, 4786375, 6441325, 6909785, 15201527, 32206625, 34548925, 76007635, 172744625, 380038175, 1900190875]

約数ペア:

[(1, 1900190875), (5, 380038175), (11, 172744625), (25, 76007635), (55, 34548925), (59, 32206625), (125, 15201527), (275, 6909785), (295, 6441325), (397, 4786375), (649, 2927875), (1375, 1381957), (1475, 1288265), (1985, 957275), (3245, 585575), (3481, 545875), (4367, 435125), (7375, 257653), (9925, 191455), (16225, 117115), (17405, 109175), (21835, 87025), (23423, 81125), (38291, 49625)]