212501510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 436665600

約数和(自身を除く): 224164090

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 227, 247, 379, 454, 494, 758, 1135, 1235, 1895, 2270, 2470, 2951, 3790, 4313, 4927, 5902, 7201, 8626, 9854, 14402, 14755, 21565, 24635, 29510, 36005, 43130, 49270, 56069, 72010, 86033, 93613, 112138, 172066, 187226, 280345, 430165, 468065, 560690, 860330, 936130, 1118429, 1634627, 2236858, 3269254, 5592145, 8173135, 11184290, 16346270, 21250151, 42500302, 106250755, 212501510]

約数ペア:

[(1, 212501510), (2, 106250755), (5, 42500302), (10, 21250151), (13, 16346270), (19, 11184290), (26, 8173135), (38, 5592145), (65, 3269254), (95, 2236858), (130, 1634627), (190, 1118429), (227, 936130), (247, 860330), (379, 560690), (454, 468065), (494, 430165), (758, 280345), (1135, 187226), (1235, 172066), (1895, 112138), (2270, 93613), (2470, 86033), (2951, 72010), (3790, 56069), (4313, 49270), (4927, 43130), (5902, 36005), (7201, 29510), (8626, 24635), (9854, 21565), (14402, 14755)]