51153700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 127322580

約数和(自身を除く): 76168880

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 109, 130, 190, 218, 247, 260, 325, 361, 380, 436, 475, 494, 545, 650, 722, 950, 988, 1090, 1235, 1300, 1417, 1444, 1805, 1900, 2071, 2180, 2470, 2725, 2834, 3610, 4142, 4693, 4940, 5450, 5668, 6175, 7085, 7220, 8284, 9025, 9386, 10355, 10900, 12350, 14170, 18050, 18772, 20710, 23465, 24700, 26923, 28340, 35425, 36100, 39349, 41420, 46930, 51775, 53846, 70850, 78698, 93860, 103550, 107692, 117325, 134615, 141700, 157396, 196745, 207100, 234650, 269230, 393490, 469300, 511537, 538460, 673075, 786980, 983725, 1023074, 1346150, 1967450, 2046148, 2557685, 2692300, 3934900, 5115370, 10230740, 12788425, 25576850, 51153700]

約数ペア:

[(1, 51153700), (2, 25576850), (4, 12788425), (5, 10230740), (10, 5115370), (13, 3934900), (19, 2692300), (20, 2557685), (25, 2046148), (26, 1967450), (38, 1346150), (50, 1023074), (52, 983725), (65, 786980), (76, 673075), (95, 538460), (100, 511537), (109, 469300), (130, 393490), (190, 269230), (218, 234650), (247, 207100), (260, 196745), (325, 157396), (361, 141700), (380, 134615), (436, 117325), (475, 107692), (494, 103550), (545, 93860), (650, 78698), (722, 70850), (950, 53846), (988, 51775), (1090, 46930), (1235, 41420), (1300, 39349), (1417, 36100), (1444, 35425), (1805, 28340), (1900, 26923), (2071, 24700), (2180, 23465), (2470, 20710), (2725, 18772), (2834, 18050), (3610, 14170), (4142, 12350), (4693, 10900), (4940, 10355), (5450, 9386), (5668, 9025), (6175, 8284), (7085, 7220)]