2156405570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 4668088320

約数和(自身を除く): 2511682750

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 83, 95, 110, 155, 166, 190, 209, 310, 341, 401, 415, 418, 589, 682, 802, 830, 913, 1045, 1178, 1577, 1705, 1826, 2005, 2090, 2573, 2945, 3154, 3410, 4010, 4411, 4565, 5146, 5890, 6479, 7619, 7885, 8822, 9130, 12431, 12865, 12958, 15238, 15770, 17347, 22055, 24862, 25730, 28303, 32395, 33283, 34694, 38095, 44110, 48887, 56606, 62155, 64790, 66566, 76190, 83809, 86735, 97774, 124310, 136741, 141515, 166415, 167618, 173470, 236189, 244435, 273482, 283030, 332830, 366113, 419045, 472378, 488870, 537757, 632377, 683705, 732226, 838090, 1031773, 1075514, 1180945, 1264754, 1367410, 1830565, 2063546, 2361890, 2598079, 2688785, 3161885, 3661130, 5158865, 5196158, 5377570, 6323770, 6956147, 10317730, 11349503, 12990395, 13912294, 19603687, 22699006, 25980790, 34780735, 39207374, 56747515, 69561470, 98018435, 113495030, 196036870, 215640557, 431281114, 1078202785, 2156405570]

約数ペア:

[(1, 2156405570), (2, 1078202785), (5, 431281114), (10, 215640557), (11, 196036870), (19, 113495030), (22, 98018435), (31, 69561470), (38, 56747515), (55, 39207374), (62, 34780735), (83, 25980790), (95, 22699006), (110, 19603687), (155, 13912294), (166, 12990395), (190, 11349503), (209, 10317730), (310, 6956147), (341, 6323770), (401, 5377570), (415, 5196158), (418, 5158865), (589, 3661130), (682, 3161885), (802, 2688785), (830, 2598079), (913, 2361890), (1045, 2063546), (1178, 1830565), (1577, 1367410), (1705, 1264754), (1826, 1180945), (2005, 1075514), (2090, 1031773), (2573, 838090), (2945, 732226), (3154, 683705), (3410, 632377), (4010, 537757), (4411, 488870), (4565, 472378), (5146, 419045), (5890, 366113), (6479, 332830), (7619, 283030), (7885, 273482), (8822, 244435), (9130, 236189), (12431, 173470), (12865, 167618), (12958, 166415), (15238, 141515), (15770, 136741), (17347, 124310), (22055, 97774), (24862, 86735), (25730, 83809), (28303, 76190), (32395, 66566), (33283, 64790), (34694, 62155), (38095, 56606), (44110, 48887)]