2912561990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{6451}}^1$

素因数の和:6645

約数の個数: 64

約数和(自身を含む): 5931297792

約数和(自身を除く): 3018735802

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 151, 230, 299, 302, 598, 755, 1495, 1510, 1963, 2990, 3473, 3926, 6451, 6946, 9815, 12902, 17365, 19630, 32255, 34730, 45149, 64510, 83863, 90298, 148373, 167726, 225745, 296746, 419315, 451490, 741865, 838630, 974101, 1483730, 1928849, 1948202, 3857698, 4870505, 9644245, 9741010, 12663313, 19288490, 22404323, 25326626, 44808646, 63316565, 112021615, 126633130, 224043230, 291256199, 582512398, 1456280995, 2912561990]

約数ペア:

[(1, 2912561990), (2, 1456280995), (5, 582512398), (10, 291256199), (13, 224043230), (23, 126633130), (26, 112021615), (46, 63316565), (65, 44808646), (115, 25326626), (130, 22404323), (151, 19288490), (230, 12663313), (299, 9741010), (302, 9644245), (598, 4870505), (755, 3857698), (1495, 1948202), (1510, 1928849), (1963, 1483730), (2990, 974101), (3473, 838630), (3926, 741865), (6451, 451490), (6946, 419315), (9815, 296746), (12902, 225745), (17365, 167726), (19630, 148373), (32255, 90298), (34730, 83863), (45149, 64510)]