289772020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 616694400

約数和(自身を除く): 326922380

約数列:

[1, 2, 4, 5, 10, 20, 151, 229, 302, 419, 458, 604, 755, 838, 916, 1145, 1510, 1676, 2095, 2290, 3020, 4190, 4580, 8380, 34579, 63269, 69158, 95951, 126538, 138316, 172895, 191902, 253076, 316345, 345790, 383804, 479755, 632690, 691580, 959510, 1265380, 1919020, 14488601, 28977202, 57954404, 72443005, 144886010, 289772020]

約数ペア:

[(1, 289772020), (2, 144886010), (4, 72443005), (5, 57954404), (10, 28977202), (20, 14488601), (151, 1919020), (229, 1265380), (302, 959510), (419, 691580), (458, 632690), (604, 479755), (755, 383804), (838, 345790), (916, 316345), (1145, 253076), (1510, 191902), (1676, 172895), (2095, 138316), (2290, 126538), (3020, 95951), (4190, 69158), (4580, 63269), (8380, 34579)]