978578470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3781

約数の個数: 64

約数和(自身を含む): 1967016960

約数和(自身を除く): 988438490

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 61, 95, 115, 122, 190, 230, 305, 437, 610, 874, 1159, 1403, 2185, 2318, 2806, 3671, 4370, 5795, 7015, 7342, 11590, 14030, 18355, 26657, 36710, 53314, 69749, 84433, 133285, 139498, 168866, 223931, 266570, 348745, 422165, 447862, 697490, 844330, 1119655, 1604227, 2239310, 3208454, 4254689, 5150413, 8021135, 8509378, 10300826, 16042270, 21273445, 25752065, 42546890, 51504130, 97857847, 195715694, 489289235, 978578470]

約数ペア:

[(1, 978578470), (2, 489289235), (5, 195715694), (10, 97857847), (19, 51504130), (23, 42546890), (38, 25752065), (46, 21273445), (61, 16042270), (95, 10300826), (115, 8509378), (122, 8021135), (190, 5150413), (230, 4254689), (305, 3208454), (437, 2239310), (610, 1604227), (874, 1119655), (1159, 844330), (1403, 697490), (2185, 447862), (2318, 422165), (2806, 348745), (3671, 266570), (4370, 223931), (5795, 168866), (7015, 139498), (7342, 133285), (11590, 84433), (14030, 69749), (18355, 53314), (26657, 36710)]