338227880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{653}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 796728960

約数和(自身を除く): 458501080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 563, 653, 920, 1126, 1306, 2252, 2612, 2815, 3265, 4504, 5224, 5630, 6530, 11260, 12949, 13060, 15019, 22520, 25898, 26120, 30038, 51796, 60076, 64745, 75095, 103592, 120152, 129490, 150190, 258980, 300380, 367639, 517960, 600760, 735278, 1470556, 1838195, 2941112, 3676390, 7352780, 8455697, 14705560, 16911394, 33822788, 42278485, 67645576, 84556970, 169113940, 338227880]

約数ペア:

[(1, 338227880), (2, 169113940), (4, 84556970), (5, 67645576), (8, 42278485), (10, 33822788), (20, 16911394), (23, 14705560), (40, 8455697), (46, 7352780), (92, 3676390), (115, 2941112), (184, 1838195), (230, 1470556), (460, 735278), (563, 600760), (653, 517960), (920, 367639), (1126, 300380), (1306, 258980), (2252, 150190), (2612, 129490), (2815, 120152), (3265, 103592), (4504, 75095), (5224, 64745), (5630, 60076), (6530, 51796), (11260, 30038), (12949, 26120), (13060, 25898), (15019, 22520)]