2013203900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{17959}}^1$

素因数の和:18051

約数の個数: 72

約数和(自身を含む): 4676784000

約数和(自身を除く): 2663580100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 59, 76, 95, 100, 118, 190, 236, 295, 380, 475, 590, 950, 1121, 1180, 1475, 1900, 2242, 2950, 4484, 5605, 5900, 11210, 17959, 22420, 28025, 35918, 56050, 71836, 89795, 112100, 179590, 341221, 359180, 448975, 682442, 897950, 1059581, 1364884, 1706105, 1795900, 2119162, 3412210, 4238324, 5297905, 6824420, 8530525, 10595810, 17061050, 20132039, 21191620, 26489525, 34122100, 40264078, 52979050, 80528156, 100660195, 105958100, 201320390, 402640780, 503300975, 1006601950, 2013203900]

約数ペア:

[(1, 2013203900), (2, 1006601950), (4, 503300975), (5, 402640780), (10, 201320390), (19, 105958100), (20, 100660195), (25, 80528156), (38, 52979050), (50, 40264078), (59, 34122100), (76, 26489525), (95, 21191620), (100, 20132039), (118, 17061050), (190, 10595810), (236, 8530525), (295, 6824420), (380, 5297905), (475, 4238324), (590, 3412210), (950, 2119162), (1121, 1795900), (1180, 1706105), (1475, 1364884), (1900, 1059581), (2242, 897950), (2950, 682442), (4484, 448975), (5605, 359180), (5900, 341221), (11210, 179590), (17959, 112100), (22420, 89795), (28025, 71836), (35918, 56050)]