28093020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1297}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 83082384

約数和(自身を除く): 54989364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1297, 1444, 1805, 2166, 2594, 3610, 3891, 4332, 5188, 5415, 6485, 7220, 7782, 10830, 12970, 15564, 19455, 21660, 24643, 25940, 38910, 49286, 73929, 77820, 98572, 123215, 147858, 246430, 295716, 369645, 468217, 492860, 739290, 936434, 1404651, 1478580, 1872868, 2341085, 2809302, 4682170, 5618604, 7023255, 9364340, 14046510, 28093020]

約数ペア:

[(1, 28093020), (2, 14046510), (3, 9364340), (4, 7023255), (5, 5618604), (6, 4682170), (10, 2809302), (12, 2341085), (15, 1872868), (19, 1478580), (20, 1404651), (30, 936434), (38, 739290), (57, 492860), (60, 468217), (76, 369645), (95, 295716), (114, 246430), (190, 147858), (228, 123215), (285, 98572), (361, 77820), (380, 73929), (570, 49286), (722, 38910), (1083, 25940), (1140, 24643), (1297, 21660), (1444, 19455), (1805, 15564), (2166, 12970), (2594, 10830), (3610, 7782), (3891, 7220), (4332, 6485), (5188, 5415)]