4487800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 10992600

約数和(自身を除く): 6504800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1181, 1900, 2362, 3800, 4724, 5905, 9448, 11810, 22439, 23620, 29525, 44878, 47240, 59050, 89756, 112195, 118100, 179512, 224390, 236200, 448780, 560975, 897560, 1121950, 2243900, 4487800]

約数ペア:

[(1, 4487800), (2, 2243900), (4, 1121950), (5, 897560), (8, 560975), (10, 448780), (19, 236200), (20, 224390), (25, 179512), (38, 118100), (40, 112195), (50, 89756), (76, 59050), (95, 47240), (100, 44878), (152, 29525), (190, 23620), (200, 22439), (380, 11810), (475, 9448), (760, 5905), (950, 4724), (1181, 3800), (1900, 2362)]