28481190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 74476800

約数和(自身を除く): 45995610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1653, 1723, 2755, 3306, 3446, 5169, 5510, 8265, 8615, 10338, 16530, 17230, 25845, 32737, 49967, 51690, 65474, 98211, 99934, 149901, 163685, 196422, 249835, 299802, 327370, 491055, 499670, 749505, 949373, 982110, 1499010, 1898746, 2848119, 4746865, 5696238, 9493730, 14240595, 28481190]

約数ペア:

[(1, 28481190), (2, 14240595), (3, 9493730), (5, 5696238), (6, 4746865), (10, 2848119), (15, 1898746), (19, 1499010), (29, 982110), (30, 949373), (38, 749505), (57, 499670), (58, 491055), (87, 327370), (95, 299802), (114, 249835), (145, 196422), (174, 163685), (190, 149901), (285, 99934), (290, 98211), (435, 65474), (551, 51690), (570, 49967), (870, 32737), (1102, 25845), (1653, 17230), (1723, 16530), (2755, 10338), (3306, 8615), (3446, 8265), (5169, 5510)]