2101020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 6272784

約数和(自身を除く): 4171764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 97, 114, 190, 194, 228, 285, 291, 361, 380, 388, 485, 570, 582, 722, 970, 1083, 1140, 1164, 1444, 1455, 1805, 1843, 1940, 2166, 2910, 3610, 3686, 4332, 5415, 5529, 5820, 7220, 7372, 9215, 10830, 11058, 18430, 21660, 22116, 27645, 35017, 36860, 55290, 70034, 105051, 110580, 140068, 175085, 210102, 350170, 420204, 525255, 700340, 1050510, 2101020]

約数ペア:

[(1, 2101020), (2, 1050510), (3, 700340), (4, 525255), (5, 420204), (6, 350170), (10, 210102), (12, 175085), (15, 140068), (19, 110580), (20, 105051), (30, 70034), (38, 55290), (57, 36860), (60, 35017), (76, 27645), (95, 22116), (97, 21660), (114, 18430), (190, 11058), (194, 10830), (228, 9215), (285, 7372), (291, 7220), (361, 5820), (380, 5529), (388, 5415), (485, 4332), (570, 3686), (582, 3610), (722, 2910), (970, 2166), (1083, 1940), (1140, 1843), (1164, 1805), (1444, 1455)]