393647680

素因数分解:

$2^6\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4007}}^1$

素因数の和:4331

約数の個数: 56

約数和(自身を含む): 940661568

約数和(自身を除く): 547013888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 307, 320, 614, 1228, 1535, 2456, 3070, 4007, 4912, 6140, 8014, 9824, 12280, 16028, 19648, 20035, 24560, 32056, 40070, 49120, 64112, 80140, 98240, 128224, 160280, 256448, 320560, 641120, 1230149, 1282240, 2460298, 4920596, 6150745, 9841192, 12301490, 19682384, 24602980, 39364768, 49205960, 78729536, 98411920, 196823840, 393647680]

約数ペア:

[(1, 393647680), (2, 196823840), (4, 98411920), (5, 78729536), (8, 49205960), (10, 39364768), (16, 24602980), (20, 19682384), (32, 12301490), (40, 9841192), (64, 6150745), (80, 4920596), (160, 2460298), (307, 1282240), (320, 1230149), (614, 641120), (1228, 320560), (1535, 256448), (2456, 160280), (3070, 128224), (4007, 98240), (4912, 80140), (6140, 64112), (8014, 49120), (9824, 40070), (12280, 32056), (16028, 24560), (19648, 20035)]