72391180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 155524320

約数和(自身を除く): 83133140

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 179, 277, 292, 358, 365, 554, 716, 730, 895, 1108, 1385, 1460, 1790, 2770, 3580, 5540, 13067, 20221, 26134, 40442, 49583, 52268, 65335, 80884, 99166, 101105, 130670, 198332, 202210, 247915, 261340, 404420, 495830, 991660, 3619559, 7239118, 14478236, 18097795, 36195590, 72391180]

約数ペア:

[(1, 72391180), (2, 36195590), (4, 18097795), (5, 14478236), (10, 7239118), (20, 3619559), (73, 991660), (146, 495830), (179, 404420), (277, 261340), (292, 247915), (358, 202210), (365, 198332), (554, 130670), (716, 101105), (730, 99166), (895, 80884), (1108, 65335), (1385, 52268), (1460, 49583), (1790, 40442), (2770, 26134), (3580, 20221), (5540, 13067)]