1900501900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 4627953792

約数和(自身を除く): 2727451892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 67, 100, 107, 110, 134, 214, 220, 241, 268, 275, 335, 428, 482, 535, 550, 670, 737, 964, 1070, 1100, 1177, 1205, 1340, 1474, 1675, 2140, 2354, 2410, 2651, 2675, 2948, 3350, 3685, 4708, 4820, 5302, 5350, 5885, 6025, 6700, 7169, 7370, 10604, 10700, 11770, 12050, 13255, 14338, 14740, 16147, 18425, 23540, 24100, 25787, 26510, 28676, 29425, 32294, 35845, 36850, 51574, 53020, 58850, 64588, 66275, 71690, 73700, 78859, 80735, 103148, 117700, 128935, 132550, 143380, 157718, 161470, 177617, 179225, 257870, 265100, 283657, 315436, 322940, 355234, 358450, 394295, 403675, 515740, 567314, 644675, 710468, 716900, 788590, 807350, 888085, 1134628, 1289350, 1418285, 1577180, 1614700, 1727729, 1776170, 1971475, 2578700, 2836570, 3455458, 3552340, 3942950, 4440425, 5673140, 6910916, 7091425, 7885900, 8638645, 8880850, 14182850, 17277290, 17761700, 19005019, 28365700, 34554580, 38010038, 43193225, 76020076, 86386450, 95025095, 172772900, 190050190, 380100380, 475125475, 950250950, 1900501900]

約数ペア:

[(1, 1900501900), (2, 950250950), (4, 475125475), (5, 380100380), (10, 190050190), (11, 172772900), (20, 95025095), (22, 86386450), (25, 76020076), (44, 43193225), (50, 38010038), (55, 34554580), (67, 28365700), (100, 19005019), (107, 17761700), (110, 17277290), (134, 14182850), (214, 8880850), (220, 8638645), (241, 7885900), (268, 7091425), (275, 6910916), (335, 5673140), (428, 4440425), (482, 3942950), (535, 3552340), (550, 3455458), (670, 2836570), (737, 2578700), (964, 1971475), (1070, 1776170), (1100, 1727729), (1177, 1614700), (1205, 1577180), (1340, 1418285), (1474, 1289350), (1675, 1134628), (2140, 888085), (2354, 807350), (2410, 788590), (2651, 716900), (2675, 710468), (2948, 644675), (3350, 567314), (3685, 515740), (4708, 403675), (4820, 394295), (5302, 358450), (5350, 355234), (5885, 322940), (6025, 315436), (6700, 283657), (7169, 265100), (7370, 257870), (10604, 179225), (10700, 177617), (11770, 161470), (12050, 157718), (13255, 143380), (14338, 132550), (14740, 128935), (16147, 117700), (18425, 103148), (23540, 80735), (24100, 78859), (25787, 73700), (26510, 71690), (28676, 66275), (29425, 64588), (32294, 58850), (35845, 53020), (36850, 51574)]