64406900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 149615424

約数和(自身を除く): 85208524

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 683, 820, 943, 1025, 1150, 1366, 1886, 2050, 2300, 2732, 3415, 3772, 4100, 4715, 6830, 9430, 13660, 15709, 17075, 18860, 23575, 28003, 31418, 34150, 47150, 56006, 62836, 68300, 78545, 94300, 112012, 140015, 157090, 280030, 314180, 392725, 560060, 644069, 700075, 785450, 1288138, 1400150, 1570900, 2576276, 2800300, 3220345, 6440690, 12881380, 16101725, 32203450, 64406900]

約数ペア:

[(1, 64406900), (2, 32203450), (4, 16101725), (5, 12881380), (10, 6440690), (20, 3220345), (23, 2800300), (25, 2576276), (41, 1570900), (46, 1400150), (50, 1288138), (82, 785450), (92, 700075), (100, 644069), (115, 560060), (164, 392725), (205, 314180), (230, 280030), (410, 157090), (460, 140015), (575, 112012), (683, 94300), (820, 78545), (943, 68300), (1025, 62836), (1150, 56006), (1366, 47150), (1886, 34150), (2050, 31418), (2300, 28003), (2732, 23575), (3415, 18860), (3772, 17075), (4100, 15709), (4715, 13660), (6830, 9430)]