83998740

素因数分解:

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

素因数の和:28597

約数の個数: 72

約数和(自身を含む): 273605472

約数和(自身を除く): 189606732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28571, 57142, 85713, 114284, 142855, 171426, 199997, 285710, 342852, 399994, 428565, 571420, 599991, 799988, 857130, 999985, 1199982, 1399979, 1714260, 1999970, 2399964, 2799958, 2999955, 3999940, 4199937, 5599916, 5999910, 6999895, 8399874, 11999820, 13999790, 16799748, 20999685, 27999580, 41999370, 83998740]

約数ペア:

[(1, 83998740), (2, 41999370), (3, 27999580), (4, 20999685), (5, 16799748), (6, 13999790), (7, 11999820), (10, 8399874), (12, 6999895), (14, 5999910), (15, 5599916), (20, 4199937), (21, 3999940), (28, 2999955), (30, 2799958), (35, 2399964), (42, 1999970), (49, 1714260), (60, 1399979), (70, 1199982), (84, 999985), (98, 857130), (105, 799988), (140, 599991), (147, 571420), (196, 428565), (210, 399994), (245, 342852), (294, 285710), (420, 199997), (490, 171426), (588, 142855), (735, 114284), (980, 85713), (1470, 57142), (2940, 28571)]