215301200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 542465280

約数和(自身を除く): 327164080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 97, 100, 124, 155, 179, 194, 200, 248, 310, 358, 388, 400, 485, 496, 620, 716, 775, 776, 895, 970, 1240, 1432, 1550, 1552, 1790, 1940, 2425, 2480, 2864, 3007, 3100, 3580, 3880, 4475, 4850, 5549, 6014, 6200, 7160, 7760, 8950, 9700, 11098, 12028, 12400, 14320, 15035, 17363, 17900, 19400, 22196, 24056, 27745, 30070, 34726, 35800, 38800, 44392, 48112, 55490, 60140, 69452, 71600, 75175, 86815, 88784, 110980, 120280, 138725, 138904, 150350, 173630, 221960, 240560, 277450, 277808, 300700, 347260, 434075, 443920, 538253, 554900, 601400, 694520, 868150, 1076506, 1109800, 1202800, 1389040, 1736300, 2153012, 2219600, 2691265, 3472600, 4306024, 5382530, 6945200, 8612048, 10765060, 13456325, 21530120, 26912650, 43060240, 53825300, 107650600, 215301200]

約数ペア:

[(1, 215301200), (2, 107650600), (4, 53825300), (5, 43060240), (8, 26912650), (10, 21530120), (16, 13456325), (20, 10765060), (25, 8612048), (31, 6945200), (40, 5382530), (50, 4306024), (62, 3472600), (80, 2691265), (97, 2219600), (100, 2153012), (124, 1736300), (155, 1389040), (179, 1202800), (194, 1109800), (200, 1076506), (248, 868150), (310, 694520), (358, 601400), (388, 554900), (400, 538253), (485, 443920), (496, 434075), (620, 347260), (716, 300700), (775, 277808), (776, 277450), (895, 240560), (970, 221960), (1240, 173630), (1432, 150350), (1550, 138904), (1552, 138725), (1790, 120280), (1940, 110980), (2425, 88784), (2480, 86815), (2864, 75175), (3007, 71600), (3100, 69452), (3580, 60140), (3880, 55490), (4475, 48112), (4850, 44392), (5549, 38800), (6014, 35800), (6200, 34726), (7160, 30070), (7760, 27745), (8950, 24056), (9700, 22196), (11098, 19400), (12028, 17900), (12400, 17363), (14320, 15035)]