87402140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 220631040

約数和(自身を除く): 133228900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 47, 70, 74, 94, 140, 148, 185, 188, 235, 259, 329, 359, 370, 470, 518, 658, 718, 740, 940, 1036, 1295, 1316, 1436, 1645, 1739, 1795, 2513, 2590, 3290, 3478, 3590, 5026, 5180, 6580, 6956, 7180, 8695, 10052, 12173, 12565, 13283, 16873, 17390, 24346, 25130, 26566, 33746, 34780, 48692, 50260, 53132, 60865, 66415, 67492, 84365, 92981, 118111, 121730, 132830, 168730, 185962, 236222, 243460, 265660, 337460, 371924, 464905, 472444, 590555, 624301, 929810, 1181110, 1248602, 1859620, 2362220, 2497204, 3121505, 4370107, 6243010, 8740214, 12486020, 17480428, 21850535, 43701070, 87402140]

約数ペア:

[(1, 87402140), (2, 43701070), (4, 21850535), (5, 17480428), (7, 12486020), (10, 8740214), (14, 6243010), (20, 4370107), (28, 3121505), (35, 2497204), (37, 2362220), (47, 1859620), (70, 1248602), (74, 1181110), (94, 929810), (140, 624301), (148, 590555), (185, 472444), (188, 464905), (235, 371924), (259, 337460), (329, 265660), (359, 243460), (370, 236222), (470, 185962), (518, 168730), (658, 132830), (718, 121730), (740, 118111), (940, 92981), (1036, 84365), (1295, 67492), (1316, 66415), (1436, 60865), (1645, 53132), (1739, 50260), (1795, 48692), (2513, 34780), (2590, 33746), (3290, 26566), (3478, 25130), (3590, 24346), (5026, 17390), (5180, 16873), (6580, 13283), (6956, 12565), (7180, 12173), (8695, 10052)]