198744280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1049

約数の個数: 128

約数和(自身を含む): 554273280

約数和(自身を除く): 355529000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 430, 476, 595, 602, 680, 731, 860, 952, 971, 1190, 1204, 1462, 1505, 1720, 1942, 2380, 2408, 2924, 3010, 3655, 3884, 4760, 4855, 5117, 5848, 6020, 6797, 7310, 7768, 9710, 10234, 12040, 13594, 14620, 16507, 19420, 20468, 25585, 27188, 29240, 33014, 33985, 38840, 40936, 41753, 51170, 54376, 66028, 67970, 82535, 83506, 102340, 115549, 132056, 135940, 165070, 167012, 204680, 208765, 231098, 271880, 292271, 330140, 334024, 417530, 462196, 577745, 584542, 660280, 709801, 835060, 924392, 1155490, 1169084, 1419602, 1461355, 1670120, 2310980, 2338168, 2839204, 2922710, 3549005, 4621960, 4968607, 5678408, 5845420, 7098010, 9937214, 11690840, 14196020, 19874428, 24843035, 28392040, 39748856, 49686070, 99372140, 198744280]

約数ペア:

[(1, 198744280), (2, 99372140), (4, 49686070), (5, 39748856), (7, 28392040), (8, 24843035), (10, 19874428), (14, 14196020), (17, 11690840), (20, 9937214), (28, 7098010), (34, 5845420), (35, 5678408), (40, 4968607), (43, 4621960), (56, 3549005), (68, 2922710), (70, 2839204), (85, 2338168), (86, 2310980), (119, 1670120), (136, 1461355), (140, 1419602), (170, 1169084), (172, 1155490), (215, 924392), (238, 835060), (280, 709801), (301, 660280), (340, 584542), (344, 577745), (430, 462196), (476, 417530), (595, 334024), (602, 330140), (680, 292271), (731, 271880), (860, 231098), (952, 208765), (971, 204680), (1190, 167012), (1204, 165070), (1462, 135940), (1505, 132056), (1720, 115549), (1942, 102340), (2380, 83506), (2408, 82535), (2924, 67970), (3010, 66028), (3655, 54376), (3884, 51170), (4760, 41753), (4855, 40936), (5117, 38840), (5848, 33985), (6020, 33014), (6797, 29240), (7310, 27188), (7768, 25585), (9710, 20468), (10234, 19420), (12040, 16507), (13594, 14620)]