849887372740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1607}}^1\times {\mathrm{4951}}^1$

素因数の和:6690

約数の個数: 144

約数和(自身を含む): 2096927965440

約数和(自身を除く): 1247040592700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1526, 1607, 2180, 3052, 3214, 3815, 4951, 5341, 6428, 7630, 8035, 9902, 10682, 11249, 15260, 16070, 19804, 21364, 22498, 24755, 26705, 32140, 34657, 44996, 49510, 53410, 56245, 69314, 78743, 99020, 106820, 112490, 138628, 157486, 173285, 175163, 224980, 242599, 314972, 346570, 350326, 393715, 485198, 539659, 693140, 700652, 787430, 875815, 970396, 1079318, 1212995, 1226141, 1574860, 1751630, 2158636, 2425990, 2452282, 2698295, 3503260, 3777613, 4851980, 4904564, 5396590, 6130705, 7555226, 7956257, 8582987, 10793180, 12261410, 15110452, 15912514, 17165974, 18888065, 24522820, 26443291, 31825028, 34331948, 37776130, 39781285, 42914935, 52886582, 55693799, 75552260, 79562570, 85829870, 105773164, 111387598, 132216455, 159125140, 171659740, 222775196, 264432910, 278468995, 389856593, 528865820, 556937990, 779713186, 867232013, 1113875980, 1559426372, 1734464026, 1949282965, 3468928052, 3898565930, 4336160065, 6070624091, 7797131860, 8672320130, 12141248182, 17344640260, 24282496364, 30353120455, 42494368637, 60706240910, 84988737274, 121412481820, 169977474548, 212471843185, 424943686370, 849887372740]

約数ペア:

[(1, 849887372740), (2, 424943686370), (4, 212471843185), (5, 169977474548), (7, 121412481820), (10, 84988737274), (14, 60706240910), (20, 42494368637), (28, 30353120455), (35, 24282496364), (49, 17344640260), (70, 12141248182), (98, 8672320130), (109, 7797131860), (140, 6070624091), (196, 4336160065), (218, 3898565930), (245, 3468928052), (436, 1949282965), (490, 1734464026), (545, 1559426372), (763, 1113875980), (980, 867232013), (1090, 779713186), (1526, 556937990), (1607, 528865820), (2180, 389856593), (3052, 278468995), (3214, 264432910), (3815, 222775196), (4951, 171659740), (5341, 159125140), (6428, 132216455), (7630, 111387598), (8035, 105773164), (9902, 85829870), (10682, 79562570), (11249, 75552260), (15260, 55693799), (16070, 52886582), (19804, 42914935), (21364, 39781285), (22498, 37776130), (24755, 34331948), (26705, 31825028), (32140, 26443291), (34657, 24522820), (44996, 18888065), (49510, 17165974), (53410, 15912514), (56245, 15110452), (69314, 12261410), (78743, 10793180), (99020, 8582987), (106820, 7956257), (112490, 7555226), (138628, 6130705), (157486, 5396590), (173285, 4904564), (175163, 4851980), (224980, 3777613), (242599, 3503260), (314972, 2698295), (346570, 2452282), (350326, 2425990), (393715, 2158636), (485198, 1751630), (539659, 1574860), (693140, 1226141), (700652, 1212995), (787430, 1079318), (875815, 970396)]