40394988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 109090800

約数和(自身を除く): 68695812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 73, 76, 114, 146, 171, 219, 228, 292, 342, 438, 657, 684, 809, 876, 1314, 1387, 1618, 2427, 2628, 2774, 3236, 4161, 4854, 5548, 7281, 8322, 9708, 12483, 14562, 15371, 16644, 24966, 29124, 30742, 46113, 49932, 59057, 61484, 92226, 118114, 138339, 177171, 184452, 236228, 276678, 354342, 531513, 553356, 708684, 1063026, 1122083, 2126052, 2244166, 3366249, 4488332, 6732498, 10098747, 13464996, 20197494, 40394988]

約数ペア:

[(1, 40394988), (2, 20197494), (3, 13464996), (4, 10098747), (6, 6732498), (9, 4488332), (12, 3366249), (18, 2244166), (19, 2126052), (36, 1122083), (38, 1063026), (57, 708684), (73, 553356), (76, 531513), (114, 354342), (146, 276678), (171, 236228), (219, 184452), (228, 177171), (292, 138339), (342, 118114), (438, 92226), (657, 61484), (684, 59057), (809, 49932), (876, 46113), (1314, 30742), (1387, 29124), (1618, 24966), (2427, 16644), (2628, 15371), (2774, 14562), (3236, 12483), (4161, 9708), (4854, 8322), (5548, 7281)]