2021544580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 4860088128

約数和(自身を除く): 2838543548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 107, 110, 121, 148, 185, 211, 214, 220, 242, 370, 407, 422, 428, 484, 535, 605, 740, 814, 844, 1055, 1070, 1177, 1210, 1628, 2035, 2110, 2140, 2321, 2354, 2420, 3959, 4070, 4220, 4477, 4642, 4708, 5885, 7807, 7918, 8140, 8954, 9284, 11605, 11770, 12947, 15614, 15836, 17908, 19795, 22385, 22577, 23210, 23540, 25531, 25894, 31228, 39035, 39590, 43549, 44770, 45154, 46420, 51062, 51788, 64735, 78070, 79180, 85877, 87098, 89540, 90308, 102124, 112885, 127655, 129470, 156140, 171754, 174196, 217745, 225770, 248347, 255310, 258940, 343508, 429385, 435490, 451540, 479039, 496694, 510620, 835349, 858770, 870980, 944647, 958078, 993388, 1241735, 1670698, 1717540, 1889294, 1916156, 2395195, 2483470, 2731817, 3341396, 3778588, 4176745, 4723235, 4790390, 4966940, 5463634, 8353490, 9188839, 9446470, 9580780, 10927268, 13659085, 16706980, 18377678, 18892940, 27318170, 36755356, 45944195, 54636340, 91888390, 101077229, 183776780, 202154458, 404308916, 505386145, 1010772290, 2021544580]

約数ペア:

[(1, 2021544580), (2, 1010772290), (4, 505386145), (5, 404308916), (10, 202154458), (11, 183776780), (20, 101077229), (22, 91888390), (37, 54636340), (44, 45944195), (55, 36755356), (74, 27318170), (107, 18892940), (110, 18377678), (121, 16706980), (148, 13659085), (185, 10927268), (211, 9580780), (214, 9446470), (220, 9188839), (242, 8353490), (370, 5463634), (407, 4966940), (422, 4790390), (428, 4723235), (484, 4176745), (535, 3778588), (605, 3341396), (740, 2731817), (814, 2483470), (844, 2395195), (1055, 1916156), (1070, 1889294), (1177, 1717540), (1210, 1670698), (1628, 1241735), (2035, 993388), (2110, 958078), (2140, 944647), (2321, 870980), (2354, 858770), (2420, 835349), (3959, 510620), (4070, 496694), (4220, 479039), (4477, 451540), (4642, 435490), (4708, 429385), (5885, 343508), (7807, 258940), (7918, 255310), (8140, 248347), (8954, 225770), (9284, 217745), (11605, 174196), (11770, 171754), (12947, 156140), (15614, 129470), (15836, 127655), (17908, 112885), (19795, 102124), (22385, 90308), (22577, 89540), (23210, 87098), (23540, 85877), (25531, 79180), (25894, 78070), (31228, 64735), (39035, 51788), (39590, 51062), (43549, 46420), (44770, 45154)]