22156820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 56536704

約数和(自身を除く): 34379884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 983, 1127, 1610, 1966, 2254, 3220, 3932, 4508, 4915, 5635, 6881, 9830, 11270, 13762, 19660, 22540, 22609, 27524, 34405, 45218, 48167, 68810, 90436, 96334, 113045, 137620, 158263, 192668, 226090, 240835, 316526, 452180, 481670, 633052, 791315, 963340, 1107841, 1582630, 2215682, 3165260, 4431364, 5539205, 11078410, 22156820]

約数ペア:

[(1, 22156820), (2, 11078410), (4, 5539205), (5, 4431364), (7, 3165260), (10, 2215682), (14, 1582630), (20, 1107841), (23, 963340), (28, 791315), (35, 633052), (46, 481670), (49, 452180), (70, 316526), (92, 240835), (98, 226090), (115, 192668), (140, 158263), (161, 137620), (196, 113045), (230, 96334), (245, 90436), (322, 68810), (460, 48167), (490, 45218), (644, 34405), (805, 27524), (980, 22609), (983, 22540), (1127, 19660), (1610, 13762), (1966, 11270), (2254, 9830), (3220, 6881), (3932, 5635), (4508, 4915)]