99737500

素因数分解:

$2^2\times 5^5\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 223110720

約数和(自身を除く): 123373220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 101, 125, 158, 202, 250, 316, 395, 404, 500, 505, 625, 790, 1010, 1250, 1580, 1975, 2020, 2500, 2525, 3125, 3950, 5050, 6250, 7900, 7979, 9875, 10100, 12500, 12625, 15958, 19750, 25250, 31916, 39500, 39895, 49375, 50500, 63125, 79790, 98750, 126250, 159580, 197500, 199475, 246875, 252500, 315625, 398950, 493750, 631250, 797900, 987500, 997375, 1262500, 1994750, 3989500, 4986875, 9973750, 19947500, 24934375, 49868750, 99737500]

約数ペア:

[(1, 99737500), (2, 49868750), (4, 24934375), (5, 19947500), (10, 9973750), (20, 4986875), (25, 3989500), (50, 1994750), (79, 1262500), (100, 997375), (101, 987500), (125, 797900), (158, 631250), (202, 493750), (250, 398950), (316, 315625), (395, 252500), (404, 246875), (500, 199475), (505, 197500), (625, 159580), (790, 126250), (1010, 98750), (1250, 79790), (1580, 63125), (1975, 50500), (2020, 49375), (2500, 39895), (2525, 39500), (3125, 31916), (3950, 25250), (5050, 19750), (6250, 15958), (7900, 12625), (7979, 12500), (9875, 10100)]