2156236420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 5308934400

約数和(自身を除く): 3152697980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 37, 52, 58, 59, 65, 74, 116, 118, 130, 131, 145, 148, 185, 236, 260, 262, 290, 295, 370, 377, 481, 524, 580, 590, 655, 740, 754, 767, 962, 1073, 1180, 1310, 1508, 1534, 1703, 1711, 1885, 1924, 2146, 2183, 2405, 2620, 3068, 3406, 3422, 3770, 3799, 3835, 4292, 4366, 4810, 4847, 5365, 6812, 6844, 7540, 7598, 7670, 7729, 8515, 8555, 8732, 9620, 9694, 10730, 10915, 13949, 15196, 15340, 15458, 17030, 17110, 18995, 19388, 21460, 21830, 22243, 24235, 27898, 28379, 30916, 34060, 34220, 37990, 38645, 43660, 44486, 48470, 49387, 55796, 56758, 63011, 63307, 69745, 75980, 77290, 88972, 96940, 98774, 100477, 111215, 113516, 126022, 126614, 139490, 140563, 141895, 154580, 197548, 200954, 222430, 224141, 246935, 252044, 253228, 278980, 281126, 283790, 285973, 315055, 316535, 401908, 444860, 448282, 493870, 502385, 562252, 567580, 571946, 630110, 633070, 702815, 822991, 896564, 987740, 1004770, 1120705, 1143892, 1260220, 1266140, 1405630, 1429865, 1645982, 1827319, 2009540, 2241410, 2811260, 2859730, 2913833, 3291964, 3654638, 3717649, 4114955, 4482820, 5719460, 5827666, 7309276, 7435298, 8229910, 8293217, 9136595, 11655332, 14569165, 14870596, 16459820, 16586434, 18273190, 18588245, 29138330, 33172868, 36546380, 37176490, 41466085, 58276660, 74352980, 82932170, 107811821, 165864340, 215623642, 431247284, 539059105, 1078118210, 2156236420]

約数ペア:

[(1, 2156236420), (2, 1078118210), (4, 539059105), (5, 431247284), (10, 215623642), (13, 165864340), (20, 107811821), (26, 82932170), (29, 74352980), (37, 58276660), (52, 41466085), (58, 37176490), (59, 36546380), (65, 33172868), (74, 29138330), (116, 18588245), (118, 18273190), (130, 16586434), (131, 16459820), (145, 14870596), (148, 14569165), (185, 11655332), (236, 9136595), (260, 8293217), (262, 8229910), (290, 7435298), (295, 7309276), (370, 5827666), (377, 5719460), (481, 4482820), (524, 4114955), (580, 3717649), (590, 3654638), (655, 3291964), (740, 2913833), (754, 2859730), (767, 2811260), (962, 2241410), (1073, 2009540), (1180, 1827319), (1310, 1645982), (1508, 1429865), (1534, 1405630), (1703, 1266140), (1711, 1260220), (1885, 1143892), (1924, 1120705), (2146, 1004770), (2183, 987740), (2405, 896564), (2620, 822991), (3068, 702815), (3406, 633070), (3422, 630110), (3770, 571946), (3799, 567580), (3835, 562252), (4292, 502385), (4366, 493870), (4810, 448282), (4847, 444860), (5365, 401908), (6812, 316535), (6844, 315055), (7540, 285973), (7598, 283790), (7670, 281126), (7729, 278980), (8515, 253228), (8555, 252044), (8732, 246935), (9620, 224141), (9694, 222430), (10730, 200954), (10915, 197548), (13949, 154580), (15196, 141895), (15340, 140563), (15458, 139490), (17030, 126614), (17110, 126022), (18995, 113516), (19388, 111215), (21460, 100477), (21830, 98774), (22243, 96940), (24235, 88972), (27898, 77290), (28379, 75980), (30916, 69745), (34060, 63307), (34220, 63011), (37990, 56758), (38645, 55796), (43660, 49387), (44486, 48470)]