199330240

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1523}}^1$

素因数の和:1949

約数の個数: 56

約数和(自身を含む): 476128080

約数和(自身を除く): 276797840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 818, 1523, 1636, 2045, 3046, 3272, 4090, 6092, 6544, 7615, 8180, 12184, 13088, 15230, 16360, 24368, 26176, 30460, 32720, 48736, 60920, 65440, 97472, 121840, 130880, 243680, 487360, 622907, 1245814, 2491628, 3114535, 4983256, 6229070, 9966512, 12458140, 19933024, 24916280, 39866048, 49832560, 99665120, 199330240]

約数ペア:

[(1, 199330240), (2, 99665120), (4, 49832560), (5, 39866048), (8, 24916280), (10, 19933024), (16, 12458140), (20, 9966512), (32, 6229070), (40, 4983256), (64, 3114535), (80, 2491628), (160, 1245814), (320, 622907), (409, 487360), (818, 243680), (1523, 130880), (1636, 121840), (2045, 97472), (3046, 65440), (3272, 60920), (4090, 48736), (6092, 32720), (6544, 30460), (7615, 26176), (8180, 24368), (12184, 16360), (13088, 15230)]