1900382440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{431}}^1\times {\mathrm{911}}^1$

素因数の和:1375

約数の個数: 96

約数和(自身を含む): 4715988480

約数和(自身を除く): 2815606040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 431, 440, 484, 605, 862, 911, 968, 1210, 1724, 1822, 2155, 2420, 3448, 3644, 4310, 4555, 4741, 4840, 7288, 8620, 9110, 9482, 10021, 17240, 18220, 18964, 20042, 23705, 36440, 37928, 40084, 47410, 50105, 52151, 80168, 94820, 100210, 104302, 110231, 189640, 200420, 208604, 220462, 260755, 392641, 400840, 417208, 440924, 521510, 551155, 785282, 881848, 1043020, 1102310, 1570564, 1963205, 2086040, 2204620, 3141128, 3926410, 4319051, 4409240, 7852820, 8638102, 15705640, 17276204, 21595255, 34552408, 43190510, 47509561, 86381020, 95019122, 172762040, 190038244, 237547805, 380076488, 475095610, 950191220, 1900382440]

約数ペア:

[(1, 1900382440), (2, 950191220), (4, 475095610), (5, 380076488), (8, 237547805), (10, 190038244), (11, 172762040), (20, 95019122), (22, 86381020), (40, 47509561), (44, 43190510), (55, 34552408), (88, 21595255), (110, 17276204), (121, 15705640), (220, 8638102), (242, 7852820), (431, 4409240), (440, 4319051), (484, 3926410), (605, 3141128), (862, 2204620), (911, 2086040), (968, 1963205), (1210, 1570564), (1724, 1102310), (1822, 1043020), (2155, 881848), (2420, 785282), (3448, 551155), (3644, 521510), (4310, 440924), (4555, 417208), (4741, 400840), (4840, 392641), (7288, 260755), (8620, 220462), (9110, 208604), (9482, 200420), (10021, 189640), (17240, 110231), (18220, 104302), (18964, 100210), (20042, 94820), (23705, 80168), (36440, 52151), (37928, 50105), (40084, 47410)]