71398900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 166239360

約数和(自身を除く): 94840460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 37, 46, 50, 74, 92, 100, 115, 148, 185, 230, 370, 460, 575, 740, 839, 851, 925, 1150, 1678, 1702, 1850, 2300, 3356, 3404, 3700, 4195, 4255, 8390, 8510, 16780, 17020, 19297, 20975, 21275, 31043, 38594, 41950, 42550, 62086, 77188, 83900, 85100, 96485, 124172, 155215, 192970, 310430, 385940, 482425, 620860, 713989, 776075, 964850, 1427978, 1552150, 1929700, 2855956, 3104300, 3569945, 7139890, 14279780, 17849725, 35699450, 71398900]

約数ペア:

[(1, 71398900), (2, 35699450), (4, 17849725), (5, 14279780), (10, 7139890), (20, 3569945), (23, 3104300), (25, 2855956), (37, 1929700), (46, 1552150), (50, 1427978), (74, 964850), (92, 776075), (100, 713989), (115, 620860), (148, 482425), (185, 385940), (230, 310430), (370, 192970), (460, 155215), (575, 124172), (740, 96485), (839, 85100), (851, 83900), (925, 77188), (1150, 62086), (1678, 42550), (1702, 41950), (1850, 38594), (2300, 31043), (3356, 21275), (3404, 20975), (3700, 19297), (4195, 17020), (4255, 16780), (8390, 8510)]