917849380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1566

約数の個数: 144

約数和(自身を含む): 2439869040

約数和(自身を除く): 1522019660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 49, 68, 70, 74, 85, 98, 119, 140, 148, 170, 185, 196, 238, 245, 259, 340, 370, 476, 490, 518, 595, 629, 740, 833, 980, 1036, 1190, 1258, 1295, 1489, 1666, 1813, 2380, 2516, 2590, 2978, 3145, 3332, 3626, 4165, 4403, 5180, 5956, 6290, 7252, 7445, 8330, 8806, 9065, 10423, 12580, 14890, 16660, 17612, 18130, 20846, 22015, 25313, 29780, 30821, 36260, 41692, 44030, 50626, 52115, 55093, 61642, 72961, 88060, 101252, 104230, 110186, 123284, 126565, 145922, 154105, 177191, 208460, 220372, 253130, 275465, 291844, 308210, 354382, 364805, 385651, 506260, 550930, 616420, 708764, 729610, 771302, 885955, 936581, 1101860, 1240337, 1459220, 1542604, 1771910, 1873162, 1928255, 2480674, 2699557, 3543820, 3746324, 3856510, 4682905, 4961348, 5399114, 6201685, 6556067, 7713020, 9365810, 10798228, 12403370, 13112134, 13497785, 18731620, 24806740, 26224268, 26995570, 32780335, 45892469, 53991140, 65560670, 91784938, 131121340, 183569876, 229462345, 458924690, 917849380]

約数ペア:

[(1, 917849380), (2, 458924690), (4, 229462345), (5, 183569876), (7, 131121340), (10, 91784938), (14, 65560670), (17, 53991140), (20, 45892469), (28, 32780335), (34, 26995570), (35, 26224268), (37, 24806740), (49, 18731620), (68, 13497785), (70, 13112134), (74, 12403370), (85, 10798228), (98, 9365810), (119, 7713020), (140, 6556067), (148, 6201685), (170, 5399114), (185, 4961348), (196, 4682905), (238, 3856510), (245, 3746324), (259, 3543820), (340, 2699557), (370, 2480674), (476, 1928255), (490, 1873162), (518, 1771910), (595, 1542604), (629, 1459220), (740, 1240337), (833, 1101860), (980, 936581), (1036, 885955), (1190, 771302), (1258, 729610), (1295, 708764), (1489, 616420), (1666, 550930), (1813, 506260), (2380, 385651), (2516, 364805), (2590, 354382), (2978, 308210), (3145, 291844), (3332, 275465), (3626, 253130), (4165, 220372), (4403, 208460), (5180, 177191), (5956, 154105), (6290, 145922), (7252, 126565), (7445, 123284), (8330, 110186), (8806, 104230), (9065, 101252), (10423, 88060), (12580, 72961), (14890, 61642), (16660, 55093), (17612, 52115), (18130, 50626), (20846, 44030), (22015, 41692), (25313, 36260), (29780, 30821)]