79469720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 196970400

約数和(自身を除く): 117500680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 1657, 2180, 2398, 3314, 4360, 4796, 5995, 6628, 8285, 9592, 11990, 13256, 16570, 18227, 23980, 33140, 36454, 47960, 66280, 72908, 91135, 145816, 180613, 182270, 361226, 364540, 722452, 729080, 903065, 1444904, 1806130, 1986743, 3612260, 3973486, 7224520, 7946972, 9933715, 15893944, 19867430, 39734860, 79469720]

約数ペア:

[(1, 79469720), (2, 39734860), (4, 19867430), (5, 15893944), (8, 9933715), (10, 7946972), (11, 7224520), (20, 3973486), (22, 3612260), (40, 1986743), (44, 1806130), (55, 1444904), (88, 903065), (109, 729080), (110, 722452), (218, 364540), (220, 361226), (436, 182270), (440, 180613), (545, 145816), (872, 91135), (1090, 72908), (1199, 66280), (1657, 47960), (2180, 36454), (2398, 33140), (3314, 23980), (4360, 18227), (4796, 16570), (5995, 13256), (6628, 11990), (8285, 9592)]