8700100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{241}}^1$

素因数の和:293

約数の個数: 54

約数和(自身を含む): 20007834

約数和(自身を除く): 11307734

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 241, 361, 380, 475, 482, 722, 950, 964, 1205, 1444, 1805, 1900, 2410, 3610, 4579, 4820, 6025, 7220, 9025, 9158, 12050, 18050, 18316, 22895, 24100, 36100, 45790, 87001, 91580, 114475, 174002, 228950, 348004, 435005, 457900, 870010, 1740020, 2175025, 4350050, 8700100]

約数ペア:

[(1, 8700100), (2, 4350050), (4, 2175025), (5, 1740020), (10, 870010), (19, 457900), (20, 435005), (25, 348004), (38, 228950), (50, 174002), (76, 114475), (95, 91580), (100, 87001), (190, 45790), (241, 36100), (361, 24100), (380, 22895), (475, 18316), (482, 18050), (722, 12050), (950, 9158), (964, 9025), (1205, 7220), (1444, 6025), (1805, 4820), (1900, 4579), (2410, 3610)]