215525740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15329}}^1$

素因数の和:15394

約数の個数: 48

約数和(自身を含む): 489333600

約数和(自身を除く): 273807860

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 15329, 30658, 61316, 76645, 153290, 291251, 306580, 567173, 582502, 1134346, 1165004, 1456255, 2268692, 2835865, 2912510, 5671730, 5825020, 10776287, 11343460, 21552574, 43105148, 53881435, 107762870, 215525740]

約数ペア:

[(1, 215525740), (2, 107762870), (4, 53881435), (5, 43105148), (10, 21552574), (19, 11343460), (20, 10776287), (37, 5825020), (38, 5671730), (74, 2912510), (76, 2835865), (95, 2268692), (148, 1456255), (185, 1165004), (190, 1134346), (370, 582502), (380, 567173), (703, 306580), (740, 291251), (1406, 153290), (2812, 76645), (3515, 61316), (7030, 30658), (14060, 15329)]