90606140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 194436480

約数和(自身を除く): 103830340

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 229, 271, 292, 365, 458, 542, 730, 916, 1084, 1145, 1355, 1460, 2290, 2710, 4580, 5420, 16717, 19783, 33434, 39566, 62059, 66868, 79132, 83585, 98915, 124118, 167170, 197830, 248236, 310295, 334340, 395660, 620590, 1241180, 4530307, 9060614, 18121228, 22651535, 45303070, 90606140]

約数ペア:

[(1, 90606140), (2, 45303070), (4, 22651535), (5, 18121228), (10, 9060614), (20, 4530307), (73, 1241180), (146, 620590), (229, 395660), (271, 334340), (292, 310295), (365, 248236), (458, 197830), (542, 167170), (730, 124118), (916, 98915), (1084, 83585), (1145, 79132), (1355, 66868), (1460, 62059), (2290, 39566), (2710, 33434), (4580, 19783), (5420, 16717)]