69811900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 159989760

約数和(自身を除く): 90177860

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 127, 230, 239, 254, 460, 478, 508, 575, 635, 956, 1150, 1195, 1270, 2300, 2390, 2540, 2921, 3175, 4780, 5497, 5842, 5975, 6350, 10994, 11684, 11950, 12700, 14605, 21988, 23900, 27485, 29210, 30353, 54970, 58420, 60706, 73025, 109940, 121412, 137425, 146050, 151765, 274850, 292100, 303530, 549700, 607060, 698119, 758825, 1396238, 1517650, 2792476, 3035300, 3490595, 6981190, 13962380, 17452975, 34905950, 69811900]

約数ペア:

[(1, 69811900), (2, 34905950), (4, 17452975), (5, 13962380), (10, 6981190), (20, 3490595), (23, 3035300), (25, 2792476), (46, 1517650), (50, 1396238), (92, 758825), (100, 698119), (115, 607060), (127, 549700), (230, 303530), (239, 292100), (254, 274850), (460, 151765), (478, 146050), (508, 137425), (575, 121412), (635, 109940), (956, 73025), (1150, 60706), (1195, 58420), (1270, 54970), (2300, 30353), (2390, 29210), (2540, 27485), (2921, 23900), (3175, 21988), (4780, 14605), (5497, 12700), (5842, 11950), (5975, 11684), (6350, 10994)]