90242320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23021}}^1$

素因数の和:23048

約数の個数: 60

約数和(自身を含む): 244079244

約数和(自身を除く): 153836924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23021, 46042, 92084, 115105, 161147, 184168, 230210, 322294, 368336, 460420, 644588, 805735, 920840, 1128029, 1289176, 1611470, 1841680, 2256058, 2578352, 3222940, 4512116, 5640145, 6445880, 9024232, 11280290, 12891760, 18048464, 22560580, 45121160, 90242320]

約数ペア:

[(1, 90242320), (2, 45121160), (4, 22560580), (5, 18048464), (7, 12891760), (8, 11280290), (10, 9024232), (14, 6445880), (16, 5640145), (20, 4512116), (28, 3222940), (35, 2578352), (40, 2256058), (49, 1841680), (56, 1611470), (70, 1289176), (80, 1128029), (98, 920840), (112, 805735), (140, 644588), (196, 460420), (245, 368336), (280, 322294), (392, 230210), (490, 184168), (560, 161147), (784, 115105), (980, 92084), (1960, 46042), (3920, 23021)]