163885890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{111487}}^1$

素因数の和:111511

約数の個数: 48

約数和(自身を含む): 457546752

約数和(自身を除く): 293660862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 111487, 222974, 334461, 557435, 668922, 780409, 1114870, 1560818, 1672305, 2341227, 3344610, 3902045, 4682454, 5462863, 7804090, 10925726, 11706135, 16388589, 23412270, 27314315, 32777178, 54628630, 81942945, 163885890]

約数ペア:

[(1, 163885890), (2, 81942945), (3, 54628630), (5, 32777178), (6, 27314315), (7, 23412270), (10, 16388589), (14, 11706135), (15, 10925726), (21, 7804090), (30, 5462863), (35, 4682454), (42, 3902045), (49, 3344610), (70, 2341227), (98, 1672305), (105, 1560818), (147, 1114870), (210, 780409), (245, 668922), (294, 557435), (490, 334461), (735, 222974), (1470, 111487)]