142128900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2098

約数の個数: 108

約数和(自身を含む): 451360000

約数和(自身を除く): 309231100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 79, 90, 100, 150, 158, 180, 225, 237, 300, 316, 395, 450, 474, 711, 790, 900, 948, 1185, 1422, 1580, 1975, 1999, 2370, 2844, 3555, 3950, 3998, 4740, 5925, 5997, 7110, 7900, 7996, 9995, 11850, 11994, 14220, 17775, 17991, 19990, 23700, 23988, 29985, 35550, 35982, 39980, 49975, 59970, 71100, 71964, 89955, 99950, 119940, 149925, 157921, 179910, 199900, 299850, 315842, 359820, 449775, 473763, 599700, 631684, 789605, 899550, 947526, 1421289, 1579210, 1799100, 1895052, 2368815, 2842578, 3158420, 3948025, 4737630, 5685156, 7106445, 7896050, 9475260, 11844075, 14212890, 15792100, 23688150, 28425780, 35532225, 47376300, 71064450, 142128900]

約数ペア:

[(1, 142128900), (2, 71064450), (3, 47376300), (4, 35532225), (5, 28425780), (6, 23688150), (9, 15792100), (10, 14212890), (12, 11844075), (15, 9475260), (18, 7896050), (20, 7106445), (25, 5685156), (30, 4737630), (36, 3948025), (45, 3158420), (50, 2842578), (60, 2368815), (75, 1895052), (79, 1799100), (90, 1579210), (100, 1421289), (150, 947526), (158, 899550), (180, 789605), (225, 631684), (237, 599700), (300, 473763), (316, 449775), (395, 359820), (450, 315842), (474, 299850), (711, 199900), (790, 179910), (900, 157921), (948, 149925), (1185, 119940), (1422, 99950), (1580, 89955), (1975, 71964), (1999, 71100), (2370, 59970), (2844, 49975), (3555, 39980), (3950, 35982), (3998, 35550), (4740, 29985), (5925, 23988), (5997, 23700), (7110, 19990), (7900, 17991), (7996, 17775), (9995, 14220), (11850, 11994)]