8989850900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{3061}}^1$

素因数の和:3801

約数の個数: 72

約数和(自身を含む): 19997407584

約数和(自身を除く): 11007556684

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 683, 860, 1075, 1366, 2150, 2732, 3061, 3415, 4300, 6122, 6830, 12244, 13660, 15305, 17075, 29369, 30610, 34150, 58738, 61220, 68300, 76525, 117476, 131623, 146845, 153050, 263246, 293690, 306100, 526492, 587380, 658115, 734225, 1316230, 1468450, 2090663, 2632460, 2936900, 3290575, 4181326, 6581150, 8362652, 10453315, 13162300, 20906630, 41813260, 52266575, 89898509, 104533150, 179797018, 209066300, 359594036, 449492545, 898985090, 1797970180, 2247462725, 4494925450, 8989850900]

約数ペア:

[(1, 8989850900), (2, 4494925450), (4, 2247462725), (5, 1797970180), (10, 898985090), (20, 449492545), (25, 359594036), (43, 209066300), (50, 179797018), (86, 104533150), (100, 89898509), (172, 52266575), (215, 41813260), (430, 20906630), (683, 13162300), (860, 10453315), (1075, 8362652), (1366, 6581150), (2150, 4181326), (2732, 3290575), (3061, 2936900), (3415, 2632460), (4300, 2090663), (6122, 1468450), (6830, 1316230), (12244, 734225), (13660, 658115), (15305, 587380), (17075, 526492), (29369, 306100), (30610, 293690), (34150, 263246), (58738, 153050), (61220, 146845), (68300, 131623), (76525, 117476)]