1649693600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1339

約数の個数: 144

約数和(自身を含む): 4310021016

約数和(自身を除く): 2660327416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 101, 136, 160, 170, 200, 202, 272, 340, 400, 404, 425, 505, 544, 680, 800, 808, 850, 1010, 1201, 1360, 1616, 1700, 1717, 2020, 2402, 2525, 2720, 3232, 3400, 3434, 4040, 4804, 5050, 6005, 6800, 6868, 8080, 8585, 9608, 10100, 12010, 13600, 13736, 16160, 17170, 19216, 20200, 20417, 24020, 27472, 30025, 34340, 38432, 40400, 40834, 42925, 48040, 54944, 60050, 68680, 80800, 81668, 85850, 96080, 102085, 120100, 121301, 137360, 163336, 171700, 192160, 204170, 240200, 242602, 274720, 326672, 343400, 408340, 480400, 485204, 510425, 606505, 653344, 686800, 816680, 960800, 970408, 1020850, 1213010, 1373600, 1633360, 1940816, 2041700, 2062117, 2426020, 3032525, 3266720, 3881632, 4083400, 4124234, 4852040, 6065050, 8166800, 8248468, 9704080, 10310585, 12130100, 16333600, 16496936, 19408160, 20621170, 24260200, 32993872, 41242340, 48520400, 51552925, 65987744, 82484680, 97040800, 103105850, 164969360, 206211700, 329938720, 412423400, 824846800, 1649693600]

約数ペア:

[(1, 1649693600), (2, 824846800), (4, 412423400), (5, 329938720), (8, 206211700), (10, 164969360), (16, 103105850), (17, 97040800), (20, 82484680), (25, 65987744), (32, 51552925), (34, 48520400), (40, 41242340), (50, 32993872), (68, 24260200), (80, 20621170), (85, 19408160), (100, 16496936), (101, 16333600), (136, 12130100), (160, 10310585), (170, 9704080), (200, 8248468), (202, 8166800), (272, 6065050), (340, 4852040), (400, 4124234), (404, 4083400), (425, 3881632), (505, 3266720), (544, 3032525), (680, 2426020), (800, 2062117), (808, 2041700), (850, 1940816), (1010, 1633360), (1201, 1373600), (1360, 1213010), (1616, 1020850), (1700, 970408), (1717, 960800), (2020, 816680), (2402, 686800), (2525, 653344), (2720, 606505), (3232, 510425), (3400, 485204), (3434, 480400), (4040, 408340), (4804, 343400), (5050, 326672), (6005, 274720), (6800, 242602), (6868, 240200), (8080, 204170), (8585, 192160), (9608, 171700), (10100, 163336), (12010, 137360), (13600, 121301), (13736, 120100), (16160, 102085), (17170, 96080), (19216, 85850), (20200, 81668), (20417, 80800), (24020, 68680), (27472, 60050), (30025, 54944), (34340, 48040), (38432, 42925), (40400, 40834)]