28839330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^2$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 81267732

約数和(自身を除く): 52428402

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 157, 195, 234, 314, 390, 471, 585, 785, 942, 1170, 1413, 1570, 2041, 2355, 2826, 4082, 4710, 6123, 7065, 10205, 12246, 14130, 18369, 20410, 24649, 30615, 36738, 49298, 61230, 73947, 91845, 123245, 147894, 183690, 221841, 246490, 320437, 369735, 443682, 640874, 739470, 961311, 1109205, 1602185, 1922622, 2218410, 2883933, 3204370, 4806555, 5767866, 9613110, 14419665, 28839330]

約数ペア:

[(1, 28839330), (2, 14419665), (3, 9613110), (5, 5767866), (6, 4806555), (9, 3204370), (10, 2883933), (13, 2218410), (15, 1922622), (18, 1602185), (26, 1109205), (30, 961311), (39, 739470), (45, 640874), (65, 443682), (78, 369735), (90, 320437), (117, 246490), (130, 221841), (157, 183690), (195, 147894), (234, 123245), (314, 91845), (390, 73947), (471, 61230), (585, 49298), (785, 36738), (942, 30615), (1170, 24649), (1413, 20410), (1570, 18369), (2041, 14130), (2355, 12246), (2826, 10205), (4082, 7065), (4710, 6123)]