198479360

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 511467264

約数和(自身を除く): 312987904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 61, 62, 64, 80, 82, 122, 124, 128, 155, 160, 164, 205, 244, 248, 256, 305, 310, 320, 328, 410, 488, 496, 512, 610, 620, 640, 656, 820, 976, 992, 1220, 1240, 1271, 1280, 1312, 1640, 1891, 1952, 1984, 2440, 2480, 2501, 2542, 2560, 2624, 3280, 3782, 3904, 3968, 4880, 4960, 5002, 5084, 5248, 6355, 6560, 7564, 7808, 7936, 9455, 9760, 9920, 10004, 10168, 10496, 12505, 12710, 13120, 15128, 15616, 15872, 18910, 19520, 19840, 20008, 20336, 20992, 25010, 25420, 26240, 30256, 31232, 37820, 39040, 39680, 40016, 40672, 50020, 50840, 52480, 60512, 75640, 77531, 78080, 79360, 80032, 81344, 100040, 101680, 104960, 121024, 151280, 155062, 156160, 160064, 162688, 200080, 203360, 242048, 302560, 310124, 320128, 325376, 387655, 400160, 406720, 484096, 605120, 620248, 640256, 650752, 775310, 800320, 813440, 968192, 1210240, 1240496, 1280512, 1550620, 1600640, 1626880, 2420480, 2480992, 3101240, 3201280, 3253760, 4840960, 4961984, 6202480, 6402560, 9923968, 12404960, 19847936, 24809920, 39695872, 49619840, 99239680, 198479360]

約数ペア:

[(1, 198479360), (2, 99239680), (4, 49619840), (5, 39695872), (8, 24809920), (10, 19847936), (16, 12404960), (20, 9923968), (31, 6402560), (32, 6202480), (40, 4961984), (41, 4840960), (61, 3253760), (62, 3201280), (64, 3101240), (80, 2480992), (82, 2420480), (122, 1626880), (124, 1600640), (128, 1550620), (155, 1280512), (160, 1240496), (164, 1210240), (205, 968192), (244, 813440), (248, 800320), (256, 775310), (305, 650752), (310, 640256), (320, 620248), (328, 605120), (410, 484096), (488, 406720), (496, 400160), (512, 387655), (610, 325376), (620, 320128), (640, 310124), (656, 302560), (820, 242048), (976, 203360), (992, 200080), (1220, 162688), (1240, 160064), (1271, 156160), (1280, 155062), (1312, 151280), (1640, 121024), (1891, 104960), (1952, 101680), (1984, 100040), (2440, 81344), (2480, 80032), (2501, 79360), (2542, 78080), (2560, 77531), (2624, 75640), (3280, 60512), (3782, 52480), (3904, 50840), (3968, 50020), (4880, 40672), (4960, 40016), (5002, 39680), (5084, 39040), (5248, 37820), (6355, 31232), (6560, 30256), (7564, 26240), (7808, 25420), (7936, 25010), (9455, 20992), (9760, 20336), (9920, 20008), (10004, 19840), (10168, 19520), (10496, 18910), (12505, 15872), (12710, 15616), (13120, 15128)]