210089840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 520279200

約数和(自身を除く): 310189360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1520, 1553, 1691, 1780, 3106, 3382, 3560, 6212, 6764, 7120, 7765, 8455, 12424, 13528, 15530, 16910, 24848, 27056, 29507, 31060, 33820, 59014, 62120, 67640, 118028, 124240, 135280, 138217, 147535, 236056, 276434, 295070, 472112, 552868, 590140, 691085, 1105736, 1180280, 1382170, 2211472, 2360560, 2626123, 2764340, 5252246, 5528680, 10504492, 11057360, 13130615, 21008984, 26261230, 42017968, 52522460, 105044920, 210089840]

約数ペア:

[(1, 210089840), (2, 105044920), (4, 52522460), (5, 42017968), (8, 26261230), (10, 21008984), (16, 13130615), (19, 11057360), (20, 10504492), (38, 5528680), (40, 5252246), (76, 2764340), (80, 2626123), (89, 2360560), (95, 2211472), (152, 1382170), (178, 1180280), (190, 1105736), (304, 691085), (356, 590140), (380, 552868), (445, 472112), (712, 295070), (760, 276434), (890, 236056), (1424, 147535), (1520, 138217), (1553, 135280), (1691, 124240), (1780, 118028), (3106, 67640), (3382, 62120), (3560, 59014), (6212, 33820), (6764, 31060), (7120, 29507), (7765, 27056), (8455, 24848), (12424, 16910), (13528, 15530)]