155185540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8689}}^1$

素因数の和:8764

約数の個数: 48

約数和(自身を含む): 350380800

約数和(自身を除く): 195195260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8689, 8930, 17378, 17860, 34756, 43445, 86890, 165091, 173780, 330182, 408383, 660364, 816766, 825455, 1633532, 1650910, 2041915, 3301820, 4083830, 7759277, 8167660, 15518554, 31037108, 38796385, 77592770, 155185540]

約数ペア:

[(1, 155185540), (2, 77592770), (4, 38796385), (5, 31037108), (10, 15518554), (19, 8167660), (20, 7759277), (38, 4083830), (47, 3301820), (76, 2041915), (94, 1650910), (95, 1633532), (188, 825455), (190, 816766), (235, 660364), (380, 408383), (470, 330182), (893, 173780), (940, 165091), (1786, 86890), (3572, 43445), (4465, 34756), (8689, 17860), (8930, 17378)]