86428300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 227985408

約数和(自身を除く): 141557108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 47, 50, 70, 71, 74, 94, 100, 140, 142, 148, 175, 185, 188, 235, 259, 284, 329, 350, 355, 370, 470, 497, 518, 658, 700, 710, 740, 925, 940, 994, 1036, 1175, 1295, 1316, 1420, 1645, 1739, 1775, 1850, 1988, 2350, 2485, 2590, 2627, 3290, 3337, 3478, 3550, 3700, 4700, 4970, 5180, 5254, 6475, 6580, 6674, 6956, 7100, 8225, 8695, 9940, 10508, 12173, 12425, 12950, 13135, 13348, 16450, 16685, 17390, 18389, 23359, 24346, 24850, 25900, 26270, 32900, 33370, 34780, 36778, 43475, 46718, 48692, 49700, 52540, 60865, 65675, 66740, 73556, 83425, 86950, 91945, 93436, 116795, 121730, 123469, 131350, 166850, 173900, 183890, 233590, 243460, 246938, 262700, 304325, 333700, 367780, 459725, 467180, 493876, 583975, 608650, 617345, 864283, 919450, 1167950, 1217300, 1234690, 1728566, 1838900, 2335900, 2469380, 3086725, 3457132, 4321415, 6173450, 8642830, 12346900, 17285660, 21607075, 43214150, 86428300]

約数ペア:

[(1, 86428300), (2, 43214150), (4, 21607075), (5, 17285660), (7, 12346900), (10, 8642830), (14, 6173450), (20, 4321415), (25, 3457132), (28, 3086725), (35, 2469380), (37, 2335900), (47, 1838900), (50, 1728566), (70, 1234690), (71, 1217300), (74, 1167950), (94, 919450), (100, 864283), (140, 617345), (142, 608650), (148, 583975), (175, 493876), (185, 467180), (188, 459725), (235, 367780), (259, 333700), (284, 304325), (329, 262700), (350, 246938), (355, 243460), (370, 233590), (470, 183890), (497, 173900), (518, 166850), (658, 131350), (700, 123469), (710, 121730), (740, 116795), (925, 93436), (940, 91945), (994, 86950), (1036, 83425), (1175, 73556), (1295, 66740), (1316, 65675), (1420, 60865), (1645, 52540), (1739, 49700), (1775, 48692), (1850, 46718), (1988, 43475), (2350, 36778), (2485, 34780), (2590, 33370), (2627, 32900), (3290, 26270), (3337, 25900), (3478, 24850), (3550, 24346), (3700, 23359), (4700, 18389), (4970, 17390), (5180, 16685), (5254, 16450), (6475, 13348), (6580, 13135), (6674, 12950), (6956, 12425), (7100, 12173), (8225, 10508), (8695, 9940)]