71230900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 168001400

約数和(自身を除く): 96770500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 157, 260, 314, 325, 349, 628, 650, 698, 785, 1300, 1396, 1570, 1745, 2041, 3140, 3490, 3925, 4082, 4537, 6980, 7850, 8164, 8725, 9074, 10205, 15700, 17450, 18148, 20410, 22685, 34900, 40820, 45370, 51025, 54793, 90740, 102050, 109586, 113425, 204100, 219172, 226850, 273965, 453700, 547930, 712309, 1095860, 1369825, 1424618, 2739650, 2849236, 3561545, 5479300, 7123090, 14246180, 17807725, 35615450, 71230900]

約数ペア:

[(1, 71230900), (2, 35615450), (4, 17807725), (5, 14246180), (10, 7123090), (13, 5479300), (20, 3561545), (25, 2849236), (26, 2739650), (50, 1424618), (52, 1369825), (65, 1095860), (100, 712309), (130, 547930), (157, 453700), (260, 273965), (314, 226850), (325, 219172), (349, 204100), (628, 113425), (650, 109586), (698, 102050), (785, 90740), (1300, 54793), (1396, 51025), (1570, 45370), (1745, 40820), (2041, 34900), (3140, 22685), (3490, 20410), (3925, 18148), (4082, 17450), (4537, 15700), (6980, 10205), (7850, 9074), (8164, 8725)]