409352720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 160

約数和(自身を含む): 1161830400

約数和(自身を除く): 752477680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 80, 95, 112, 133, 140, 152, 158, 190, 266, 280, 304, 316, 380, 395, 487, 532, 553, 560, 632, 665, 760, 790, 974, 1064, 1106, 1264, 1330, 1501, 1520, 1580, 1948, 2128, 2212, 2435, 2660, 2765, 3002, 3160, 3409, 3896, 4424, 4870, 5320, 5530, 6004, 6320, 6818, 7505, 7792, 8848, 9253, 9740, 10507, 10640, 11060, 12008, 13636, 15010, 17045, 18506, 19480, 21014, 22120, 24016, 27272, 30020, 34090, 37012, 38473, 38960, 42028, 44240, 46265, 52535, 54544, 60040, 64771, 68180, 74024, 76946, 84056, 92530, 105070, 120080, 129542, 136360, 148048, 153892, 168112, 185060, 192365, 210140, 259084, 269311, 272720, 307784, 323855, 370120, 384730, 420280, 518168, 538622, 615568, 647710, 730987, 740240, 769460, 840560, 1036336, 1077244, 1295420, 1346555, 1461974, 1538920, 2154488, 2590840, 2693110, 2923948, 3077840, 3654935, 4308976, 5116909, 5181680, 5386220, 5847896, 7309870, 10233818, 10772440, 11695792, 14619740, 20467636, 21544880, 25584545, 29239480, 40935272, 51169090, 58478960, 81870544, 102338180, 204676360, 409352720]

約数ペア:

[(1, 409352720), (2, 204676360), (4, 102338180), (5, 81870544), (7, 58478960), (8, 51169090), (10, 40935272), (14, 29239480), (16, 25584545), (19, 21544880), (20, 20467636), (28, 14619740), (35, 11695792), (38, 10772440), (40, 10233818), (56, 7309870), (70, 5847896), (76, 5386220), (79, 5181680), (80, 5116909), (95, 4308976), (112, 3654935), (133, 3077840), (140, 2923948), (152, 2693110), (158, 2590840), (190, 2154488), (266, 1538920), (280, 1461974), (304, 1346555), (316, 1295420), (380, 1077244), (395, 1036336), (487, 840560), (532, 769460), (553, 740240), (560, 730987), (632, 647710), (665, 615568), (760, 538622), (790, 518168), (974, 420280), (1064, 384730), (1106, 370120), (1264, 323855), (1330, 307784), (1501, 272720), (1520, 269311), (1580, 259084), (1948, 210140), (2128, 192365), (2212, 185060), (2435, 168112), (2660, 153892), (2765, 148048), (3002, 136360), (3160, 129542), (3409, 120080), (3896, 105070), (4424, 92530), (4870, 84056), (5320, 76946), (5530, 74024), (6004, 68180), (6320, 64771), (6818, 60040), (7505, 54544), (7792, 52535), (8848, 46265), (9253, 44240), (9740, 42028), (10507, 38960), (10640, 38473), (11060, 37012), (12008, 34090), (13636, 30020), (15010, 27272), (17045, 24016), (18506, 22120), (19480, 21014)]