203996940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28571}}^1$

素因数の和:28607

約数の個数: 96

約数和(自身を含む): 691213824

約数和(自身を除く): 487216884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 28571, 57142, 85713, 114284, 142855, 171426, 199997, 285710, 342852, 399994, 428565, 485707, 571420, 599991, 799988, 857130, 971414, 999985, 1199982, 1457121, 1714260, 1942828, 1999970, 2399964, 2428535, 2914242, 2999955, 3399949, 3999940, 4857070, 5828484, 5999910, 6799898, 7285605, 9714140, 10199847, 11999820, 13599796, 14571210, 16999745, 20399694, 29142420, 33999490, 40799388, 50999235, 67998980, 101998470, 203996940]

約数ペア:

[(1, 203996940), (2, 101998470), (3, 67998980), (4, 50999235), (5, 40799388), (6, 33999490), (7, 29142420), (10, 20399694), (12, 16999745), (14, 14571210), (15, 13599796), (17, 11999820), (20, 10199847), (21, 9714140), (28, 7285605), (30, 6799898), (34, 5999910), (35, 5828484), (42, 4857070), (51, 3999940), (60, 3399949), (68, 2999955), (70, 2914242), (84, 2428535), (85, 2399964), (102, 1999970), (105, 1942828), (119, 1714260), (140, 1457121), (170, 1199982), (204, 999985), (210, 971414), (238, 857130), (255, 799988), (340, 599991), (357, 571420), (420, 485707), (476, 428565), (510, 399994), (595, 342852), (714, 285710), (1020, 199997), (1190, 171426), (1428, 142855), (1785, 114284), (2380, 85713), (3570, 57142), (7140, 28571)]