205750700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 465178560

約数和(自身を除く): 259427860

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 59, 86, 100, 118, 172, 215, 236, 295, 430, 590, 811, 860, 1075, 1180, 1475, 1622, 2150, 2537, 2950, 3244, 4055, 4300, 5074, 5900, 8110, 10148, 12685, 16220, 20275, 25370, 34873, 40550, 47849, 50740, 63425, 69746, 81100, 95698, 126850, 139492, 174365, 191396, 239245, 253700, 348730, 478490, 697460, 871825, 956980, 1196225, 1743650, 2057507, 2392450, 3487300, 4115014, 4784900, 8230028, 10287535, 20575070, 41150140, 51437675, 102875350, 205750700]

約数ペア:

[(1, 205750700), (2, 102875350), (4, 51437675), (5, 41150140), (10, 20575070), (20, 10287535), (25, 8230028), (43, 4784900), (50, 4115014), (59, 3487300), (86, 2392450), (100, 2057507), (118, 1743650), (172, 1196225), (215, 956980), (236, 871825), (295, 697460), (430, 478490), (590, 348730), (811, 253700), (860, 239245), (1075, 191396), (1180, 174365), (1475, 139492), (1622, 126850), (2150, 95698), (2537, 81100), (2950, 69746), (3244, 63425), (4055, 50740), (4300, 47849), (5074, 40550), (5900, 34873), (8110, 25370), (10148, 20275), (12685, 16220)]