1640984450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{8863}}^1$

素因数の和:8928

約数の個数: 72

約数和(自身を含む): 3646933248

約数和(自身を除く): 2005948798

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 529, 575, 805, 1058, 1150, 1610, 2645, 3703, 4025, 5290, 7406, 8050, 8863, 13225, 17726, 18515, 26450, 37030, 44315, 62041, 88630, 92575, 124082, 185150, 203849, 221575, 310205, 407698, 443150, 620410, 1019245, 1426943, 1551025, 2038490, 2853886, 3102050, 4688527, 5096225, 7134715, 9377054, 10192450, 14269430, 23442635, 32819689, 35673575, 46885270, 65639378, 71347150, 117213175, 164098445, 234426350, 328196890, 820492225, 1640984450]

約数ペア:

[(1, 1640984450), (2, 820492225), (5, 328196890), (7, 234426350), (10, 164098445), (14, 117213175), (23, 71347150), (25, 65639378), (35, 46885270), (46, 35673575), (50, 32819689), (70, 23442635), (115, 14269430), (161, 10192450), (175, 9377054), (230, 7134715), (322, 5096225), (350, 4688527), (529, 3102050), (575, 2853886), (805, 2038490), (1058, 1551025), (1150, 1426943), (1610, 1019245), (2645, 620410), (3703, 443150), (4025, 407698), (5290, 310205), (7406, 221575), (8050, 203849), (8863, 185150), (13225, 124082), (17726, 92575), (18515, 88630), (26450, 62041), (37030, 44315)]