478975420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 1321205760

約数和(自身を除く): 842230340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 79, 110, 124, 127, 140, 154, 155, 158, 217, 220, 254, 308, 310, 316, 341, 385, 395, 434, 508, 553, 620, 635, 682, 770, 790, 868, 869, 889, 1085, 1106, 1270, 1364, 1397, 1540, 1580, 1705, 1738, 1778, 2170, 2212, 2387, 2449, 2540, 2765, 2794, 3410, 3476, 3556, 3937, 4340, 4345, 4445, 4774, 4898, 5530, 5588, 6083, 6820, 6985, 7874, 8690, 8890, 9548, 9779, 9796, 10033, 11060, 11935, 12166, 12245, 13970, 15748, 17143, 17380, 17780, 19558, 19685, 20066, 23870, 24332, 24490, 26939, 27559, 27940, 30415, 34286, 39116, 39370, 40132, 43307, 47740, 48895, 48980, 50165, 53878, 55118, 60830, 68572, 70231, 78740, 85715, 86614, 97790, 100330, 107756, 110236, 110363, 121660, 134695, 137795, 140462, 171430, 173228, 188573, 195580, 200660, 216535, 220726, 269390, 275590, 280924, 303149, 311023, 342860, 351155, 377146, 433070, 441452, 538780, 551180, 551815, 606298, 622046, 702310, 754292, 772541, 866140, 942865, 1103630, 1212596, 1244092, 1404620, 1515745, 1545082, 1555115, 1885730, 2177161, 2207260, 3031490, 3090164, 3110230, 3421253, 3771460, 3862705, 4354322, 6062980, 6220460, 6842506, 7725410, 8708644, 10885805, 13685012, 15450820, 17106265, 21771610, 23948771, 34212530, 43543220, 47897542, 68425060, 95795084, 119743855, 239487710, 478975420]

約数ペア:

[(1, 478975420), (2, 239487710), (4, 119743855), (5, 95795084), (7, 68425060), (10, 47897542), (11, 43543220), (14, 34212530), (20, 23948771), (22, 21771610), (28, 17106265), (31, 15450820), (35, 13685012), (44, 10885805), (55, 8708644), (62, 7725410), (70, 6842506), (77, 6220460), (79, 6062980), (110, 4354322), (124, 3862705), (127, 3771460), (140, 3421253), (154, 3110230), (155, 3090164), (158, 3031490), (217, 2207260), (220, 2177161), (254, 1885730), (308, 1555115), (310, 1545082), (316, 1515745), (341, 1404620), (385, 1244092), (395, 1212596), (434, 1103630), (508, 942865), (553, 866140), (620, 772541), (635, 754292), (682, 702310), (770, 622046), (790, 606298), (868, 551815), (869, 551180), (889, 538780), (1085, 441452), (1106, 433070), (1270, 377146), (1364, 351155), (1397, 342860), (1540, 311023), (1580, 303149), (1705, 280924), (1738, 275590), (1778, 269390), (2170, 220726), (2212, 216535), (2387, 200660), (2449, 195580), (2540, 188573), (2765, 173228), (2794, 171430), (3410, 140462), (3476, 137795), (3556, 134695), (3937, 121660), (4340, 110363), (4345, 110236), (4445, 107756), (4774, 100330), (4898, 97790), (5530, 86614), (5588, 85715), (6083, 78740), (6820, 70231), (6985, 68572), (7874, 60830), (8690, 55118), (8890, 53878), (9548, 50165), (9779, 48980), (9796, 48895), (10033, 47740), (11060, 43307), (11935, 40132), (12166, 39370), (12245, 39116), (13970, 34286), (15748, 30415), (17143, 27940), (17380, 27559), (17780, 26939), (19558, 24490), (19685, 24332), (20066, 23870)]