403778540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^2\times {\mathrm{173}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 939487248

約数和(自身を除く): 535708708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 173, 206, 220, 346, 412, 515, 692, 865, 1030, 1133, 1730, 1903, 2060, 2266, 3460, 3806, 4532, 5665, 7612, 9515, 10609, 11330, 17819, 19030, 21218, 22660, 35638, 38060, 42436, 53045, 71276, 89095, 106090, 116699, 178190, 196009, 212180, 233398, 356380, 392018, 466796, 583495, 784036, 980045, 1166990, 1835357, 1960090, 2333980, 3670714, 3920180, 7341428, 9176785, 18353570, 20188927, 36707140, 40377854, 80755708, 100944635, 201889270, 403778540]

約数ペア:

[(1, 403778540), (2, 201889270), (4, 100944635), (5, 80755708), (10, 40377854), (11, 36707140), (20, 20188927), (22, 18353570), (44, 9176785), (55, 7341428), (103, 3920180), (110, 3670714), (173, 2333980), (206, 1960090), (220, 1835357), (346, 1166990), (412, 980045), (515, 784036), (692, 583495), (865, 466796), (1030, 392018), (1133, 356380), (1730, 233398), (1903, 212180), (2060, 196009), (2266, 178190), (3460, 116699), (3806, 106090), (4532, 89095), (5665, 71276), (7612, 53045), (9515, 42436), (10609, 38060), (11330, 35638), (17819, 22660), (19030, 21218)]