400202300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 911941632

約数和(自身を除く): 511739332

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 191, 230, 382, 460, 575, 764, 911, 955, 1150, 1822, 1910, 2300, 3644, 3820, 4393, 4555, 4775, 8786, 9110, 9550, 17572, 18220, 19100, 20953, 21965, 22775, 41906, 43930, 45550, 83812, 87860, 91100, 104765, 109825, 174001, 209530, 219650, 348002, 419060, 439300, 523825, 696004, 870005, 1047650, 1740010, 2095300, 3480020, 4002023, 4350025, 8004046, 8700050, 16008092, 17400100, 20010115, 40020230, 80040460, 100050575, 200101150, 400202300]

約数ペア:

[(1, 400202300), (2, 200101150), (4, 100050575), (5, 80040460), (10, 40020230), (20, 20010115), (23, 17400100), (25, 16008092), (46, 8700050), (50, 8004046), (92, 4350025), (100, 4002023), (115, 3480020), (191, 2095300), (230, 1740010), (382, 1047650), (460, 870005), (575, 696004), (764, 523825), (911, 439300), (955, 419060), (1150, 348002), (1822, 219650), (1910, 209530), (2300, 174001), (3644, 109825), (3820, 104765), (4393, 91100), (4555, 87860), (4775, 83812), (8786, 45550), (9110, 43930), (9550, 41906), (17572, 22775), (18220, 21965), (19100, 20953)]