978948100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{4987}}^1$

素因数の和:5165

約数の個数: 72

約数和(自身を含む): 2303338688

約数和(自身を除く): 1324390588

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 151, 260, 302, 325, 604, 650, 755, 1300, 1510, 1963, 3020, 3775, 3926, 4987, 7550, 7852, 9815, 9974, 15100, 19630, 19948, 24935, 39260, 49075, 49870, 64831, 98150, 99740, 124675, 129662, 196300, 249350, 259324, 324155, 498700, 648310, 753037, 1296620, 1506074, 1620775, 3012148, 3241550, 3765185, 6483100, 7530370, 9789481, 15060740, 18825925, 19578962, 37651850, 39157924, 48947405, 75303700, 97894810, 195789620, 244737025, 489474050, 978948100]

約数ペア:

[(1, 978948100), (2, 489474050), (4, 244737025), (5, 195789620), (10, 97894810), (13, 75303700), (20, 48947405), (25, 39157924), (26, 37651850), (50, 19578962), (52, 18825925), (65, 15060740), (100, 9789481), (130, 7530370), (151, 6483100), (260, 3765185), (302, 3241550), (325, 3012148), (604, 1620775), (650, 1506074), (755, 1296620), (1300, 753037), (1510, 648310), (1963, 498700), (3020, 324155), (3775, 259324), (3926, 249350), (4987, 196300), (7550, 129662), (7852, 124675), (9815, 99740), (9974, 98150), (15100, 64831), (19630, 49870), (19948, 49075), (24935, 39260)]