20177943100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{751}}^1$

素因数の和:1196

約数の個数: 144

約数和(自身を含む): 50662757376

約数和(自身を除く): 30484814276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 131, 140, 175, 262, 293, 350, 524, 586, 655, 700, 751, 917, 1172, 1310, 1465, 1502, 1834, 2051, 2620, 2930, 3004, 3275, 3668, 3755, 4102, 4585, 5257, 5860, 6550, 7325, 7510, 8204, 9170, 10255, 10514, 13100, 14650, 15020, 18340, 18775, 20510, 21028, 22925, 26285, 29300, 37550, 38383, 41020, 45850, 51275, 52570, 75100, 76766, 91700, 98381, 102550, 105140, 131425, 153532, 191915, 196762, 205100, 220043, 262850, 268681, 383830, 393524, 440086, 491905, 525700, 537362, 688667, 767660, 880172, 959575, 983810, 1074724, 1100215, 1343405, 1377334, 1540301, 1919150, 1967620, 2200430, 2459525, 2686810, 2754668, 3080602, 3443335, 3838300, 4400860, 4919050, 5373620, 5501075, 6161204, 6717025, 6886670, 7701505, 9838100, 11002150, 13434050, 13773340, 15403010, 17216675, 22004300, 26868100, 28825633, 30806020, 34433350, 38507525, 57651266, 68866700, 77015050, 115302532, 144128165, 154030100, 201779431, 288256330, 403558862, 576512660, 720640825, 807117724, 1008897155, 1441281650, 2017794310, 2882563300, 4035588620, 5044485775, 10088971550, 20177943100]

約数ペア:

[(1, 20177943100), (2, 10088971550), (4, 5044485775), (5, 4035588620), (7, 2882563300), (10, 2017794310), (14, 1441281650), (20, 1008897155), (25, 807117724), (28, 720640825), (35, 576512660), (50, 403558862), (70, 288256330), (100, 201779431), (131, 154030100), (140, 144128165), (175, 115302532), (262, 77015050), (293, 68866700), (350, 57651266), (524, 38507525), (586, 34433350), (655, 30806020), (700, 28825633), (751, 26868100), (917, 22004300), (1172, 17216675), (1310, 15403010), (1465, 13773340), (1502, 13434050), (1834, 11002150), (2051, 9838100), (2620, 7701505), (2930, 6886670), (3004, 6717025), (3275, 6161204), (3668, 5501075), (3755, 5373620), (4102, 4919050), (4585, 4400860), (5257, 3838300), (5860, 3443335), (6550, 3080602), (7325, 2754668), (7510, 2686810), (8204, 2459525), (9170, 2200430), (10255, 1967620), (10514, 1919150), (13100, 1540301), (14650, 1377334), (15020, 1343405), (18340, 1100215), (18775, 1074724), (20510, 983810), (21028, 959575), (22925, 880172), (26285, 767660), (29300, 688667), (37550, 537362), (38383, 525700), (41020, 491905), (45850, 440086), (51275, 393524), (52570, 383830), (75100, 268681), (76766, 262850), (91700, 220043), (98381, 205100), (102550, 196762), (105140, 191915), (131425, 153532)]