247889460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:662

約数の個数: 192

約数和(自身を含む): 866138112

約数和(自身を除く): 618248652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 83, 84, 91, 105, 130, 140, 156, 166, 182, 195, 210, 249, 260, 273, 332, 364, 390, 415, 420, 455, 498, 546, 547, 581, 780, 830, 910, 996, 1079, 1092, 1094, 1162, 1245, 1365, 1641, 1660, 1743, 1820, 2158, 2188, 2324, 2490, 2730, 2735, 2905, 3237, 3282, 3486, 3829, 4316, 4980, 5395, 5460, 5470, 5810, 6474, 6564, 6972, 7111, 7553, 7658, 8205, 8715, 10790, 10940, 11487, 11620, 12948, 14222, 15106, 15316, 16185, 16410, 17430, 19145, 21333, 21580, 22659, 22974, 28444, 30212, 32370, 32820, 34860, 35555, 37765, 38290, 42666, 45318, 45401, 45948, 49777, 57435, 64740, 71110, 75530, 76580, 85332, 90636, 90802, 99554, 106665, 113295, 114870, 136203, 142220, 149331, 151060, 181604, 199108, 213330, 226590, 227005, 229740, 248885, 272406, 298662, 317807, 426660, 453180, 454010, 497770, 544812, 590213, 597324, 635614, 681015, 746655, 908020, 953421, 995540, 1180426, 1271228, 1362030, 1493310, 1589035, 1770639, 1906842, 2360852, 2724060, 2951065, 2986620, 3178070, 3541278, 3813684, 4131491, 4767105, 5902130, 6356140, 7082556, 8262982, 8853195, 9534210, 11804260, 12394473, 16525964, 17706390, 19068420, 20657455, 24788946, 35412780, 41314910, 49577892, 61972365, 82629820, 123944730, 247889460]

約数ペア:

[(1, 247889460), (2, 123944730), (3, 82629820), (4, 61972365), (5, 49577892), (6, 41314910), (7, 35412780), (10, 24788946), (12, 20657455), (13, 19068420), (14, 17706390), (15, 16525964), (20, 12394473), (21, 11804260), (26, 9534210), (28, 8853195), (30, 8262982), (35, 7082556), (39, 6356140), (42, 5902130), (52, 4767105), (60, 4131491), (65, 3813684), (70, 3541278), (78, 3178070), (83, 2986620), (84, 2951065), (91, 2724060), (105, 2360852), (130, 1906842), (140, 1770639), (156, 1589035), (166, 1493310), (182, 1362030), (195, 1271228), (210, 1180426), (249, 995540), (260, 953421), (273, 908020), (332, 746655), (364, 681015), (390, 635614), (415, 597324), (420, 590213), (455, 544812), (498, 497770), (546, 454010), (547, 453180), (581, 426660), (780, 317807), (830, 298662), (910, 272406), (996, 248885), (1079, 229740), (1092, 227005), (1094, 226590), (1162, 213330), (1245, 199108), (1365, 181604), (1641, 151060), (1660, 149331), (1743, 142220), (1820, 136203), (2158, 114870), (2188, 113295), (2324, 106665), (2490, 99554), (2730, 90802), (2735, 90636), (2905, 85332), (3237, 76580), (3282, 75530), (3486, 71110), (3829, 64740), (4316, 57435), (4980, 49777), (5395, 45948), (5460, 45401), (5470, 45318), (5810, 42666), (6474, 38290), (6564, 37765), (6972, 35555), (7111, 34860), (7553, 32820), (7658, 32370), (8205, 30212), (8715, 28444), (10790, 22974), (10940, 22659), (11487, 21580), (11620, 21333), (12948, 19145), (14222, 17430), (15106, 16410), (15316, 16185)]