270217948

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 669247488

約数和(自身を除く): 399029540

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 49, 52, 62, 77, 91, 98, 124, 143, 154, 182, 196, 217, 286, 308, 311, 341, 364, 403, 434, 539, 572, 622, 637, 682, 806, 868, 1001, 1078, 1244, 1274, 1364, 1519, 1612, 2002, 2156, 2177, 2387, 2548, 2821, 3038, 3421, 4004, 4043, 4354, 4433, 4774, 5642, 6076, 6842, 7007, 8086, 8708, 8866, 9548, 9641, 11284, 13684, 14014, 15239, 16172, 16709, 17732, 19282, 19747, 23947, 28028, 28301, 30478, 31031, 33418, 38564, 39494, 44473, 47894, 56602, 60956, 62062, 66836, 67487, 78988, 88946, 95788, 106051, 113204, 124124, 125333, 134974, 167629, 177892, 198107, 212102, 217217, 250666, 269948, 311311, 335258, 396214, 424204, 434434, 472409, 501332, 622622, 670516, 742357, 792428, 868868, 877331, 944818, 1245244, 1378663, 1484714, 1754662, 1889636, 2179177, 2757326, 2969428, 3509324, 4358354, 5196499, 5514652, 6141317, 8716708, 9650641, 10392998, 12282634, 19301282, 20785996, 24565268, 38602564, 67554487, 135108974, 270217948]

約数ペア:

[(1, 270217948), (2, 135108974), (4, 67554487), (7, 38602564), (11, 24565268), (13, 20785996), (14, 19301282), (22, 12282634), (26, 10392998), (28, 9650641), (31, 8716708), (44, 6141317), (49, 5514652), (52, 5196499), (62, 4358354), (77, 3509324), (91, 2969428), (98, 2757326), (124, 2179177), (143, 1889636), (154, 1754662), (182, 1484714), (196, 1378663), (217, 1245244), (286, 944818), (308, 877331), (311, 868868), (341, 792428), (364, 742357), (403, 670516), (434, 622622), (539, 501332), (572, 472409), (622, 434434), (637, 424204), (682, 396214), (806, 335258), (868, 311311), (1001, 269948), (1078, 250666), (1244, 217217), (1274, 212102), (1364, 198107), (1519, 177892), (1612, 167629), (2002, 134974), (2156, 125333), (2177, 124124), (2387, 113204), (2548, 106051), (2821, 95788), (3038, 88946), (3421, 78988), (4004, 67487), (4043, 66836), (4354, 62062), (4433, 60956), (4774, 56602), (5642, 47894), (6076, 44473), (6842, 39494), (7007, 38564), (8086, 33418), (8708, 31031), (8866, 30478), (9548, 28301), (9641, 28028), (11284, 23947), (13684, 19747), (14014, 19282), (15239, 17732), (16172, 16709)]