198903040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 553351680

約数和(自身を除く): 354448640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 281, 316, 320, 395, 448, 553, 560, 562, 632, 640, 790, 896, 1106, 1120, 1124, 1264, 1280, 1405, 1580, 1792, 1967, 2212, 2240, 2248, 2528, 2765, 2810, 3160, 3934, 4424, 4480, 4496, 5056, 5530, 5620, 6320, 7868, 8848, 8960, 8992, 9835, 10112, 11060, 11240, 12640, 15736, 17696, 17984, 19670, 20224, 22120, 22199, 22480, 25280, 31472, 35392, 35968, 39340, 44240, 44398, 44960, 50560, 62944, 70784, 71936, 78680, 88480, 88796, 89920, 101120, 110995, 125888, 141568, 155393, 157360, 176960, 177592, 179840, 221990, 251776, 310786, 314720, 353920, 355184, 359680, 443980, 503552, 621572, 629440, 707840, 710368, 776965, 887960, 1243144, 1258880, 1420736, 1553930, 1775920, 2486288, 2517760, 2841472, 3107860, 3551840, 4972576, 5682944, 6215720, 7103680, 9945152, 12431440, 14207360, 19890304, 24862880, 28414720, 39780608, 49725760, 99451520, 198903040]

約数ペア:

[(1, 198903040), (2, 99451520), (4, 49725760), (5, 39780608), (7, 28414720), (8, 24862880), (10, 19890304), (14, 14207360), (16, 12431440), (20, 9945152), (28, 7103680), (32, 6215720), (35, 5682944), (40, 4972576), (56, 3551840), (64, 3107860), (70, 2841472), (79, 2517760), (80, 2486288), (112, 1775920), (128, 1553930), (140, 1420736), (158, 1258880), (160, 1243144), (224, 887960), (256, 776965), (280, 710368), (281, 707840), (316, 629440), (320, 621572), (395, 503552), (448, 443980), (553, 359680), (560, 355184), (562, 353920), (632, 314720), (640, 310786), (790, 251776), (896, 221990), (1106, 179840), (1120, 177592), (1124, 176960), (1264, 157360), (1280, 155393), (1405, 141568), (1580, 125888), (1792, 110995), (1967, 101120), (2212, 89920), (2240, 88796), (2248, 88480), (2528, 78680), (2765, 71936), (2810, 70784), (3160, 62944), (3934, 50560), (4424, 44960), (4480, 44398), (4496, 44240), (5056, 39340), (5530, 35968), (5620, 35392), (6320, 31472), (7868, 25280), (8848, 22480), (8960, 22199), (8992, 22120), (9835, 20224), (10112, 19670), (11060, 17984), (11240, 17696), (12640, 15736)]