31384500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^3\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 108326400

約数和(自身を除く): 76941900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 61, 70, 75, 84, 98, 100, 105, 122, 125, 140, 147, 150, 175, 183, 196, 210, 244, 245, 250, 294, 300, 305, 343, 350, 366, 375, 420, 427, 490, 500, 525, 588, 610, 686, 700, 732, 735, 750, 854, 875, 915, 980, 1029, 1050, 1220, 1225, 1281, 1372, 1470, 1500, 1525, 1708, 1715, 1750, 1830, 2058, 2100, 2135, 2450, 2562, 2625, 2940, 2989, 3050, 3430, 3500, 3660, 3675, 4116, 4270, 4575, 4900, 5124, 5145, 5250, 5978, 6100, 6125, 6405, 6860, 7350, 7625, 8540, 8575, 8967, 9150, 10290, 10500, 10675, 11956, 12250, 12810, 14700, 14945, 15250, 17150, 17934, 18300, 18375, 20580, 20923, 21350, 22875, 24500, 25620, 25725, 29890, 30500, 32025, 34300, 35868, 36750, 41846, 42700, 42875, 44835, 45750, 51450, 53375, 59780, 62769, 64050, 73500, 74725, 83692, 85750, 89670, 91500, 102900, 104615, 106750, 125538, 128100, 128625, 149450, 160125, 171500, 179340, 209230, 213500, 224175, 251076, 257250, 298900, 313845, 320250, 373625, 418460, 448350, 514500, 523075, 627690, 640500, 747250, 896700, 1046150, 1120875, 1255380, 1494500, 1569225, 2092300, 2241750, 2615375, 3138450, 4483500, 5230750, 6276900, 7846125, 10461500, 15692250, 31384500]

約数ペア:

[(1, 31384500), (2, 15692250), (3, 10461500), (4, 7846125), (5, 6276900), (6, 5230750), (7, 4483500), (10, 3138450), (12, 2615375), (14, 2241750), (15, 2092300), (20, 1569225), (21, 1494500), (25, 1255380), (28, 1120875), (30, 1046150), (35, 896700), (42, 747250), (49, 640500), (50, 627690), (60, 523075), (61, 514500), (70, 448350), (75, 418460), (84, 373625), (98, 320250), (100, 313845), (105, 298900), (122, 257250), (125, 251076), (140, 224175), (147, 213500), (150, 209230), (175, 179340), (183, 171500), (196, 160125), (210, 149450), (244, 128625), (245, 128100), (250, 125538), (294, 106750), (300, 104615), (305, 102900), (343, 91500), (350, 89670), (366, 85750), (375, 83692), (420, 74725), (427, 73500), (490, 64050), (500, 62769), (525, 59780), (588, 53375), (610, 51450), (686, 45750), (700, 44835), (732, 42875), (735, 42700), (750, 41846), (854, 36750), (875, 35868), (915, 34300), (980, 32025), (1029, 30500), (1050, 29890), (1220, 25725), (1225, 25620), (1281, 24500), (1372, 22875), (1470, 21350), (1500, 20923), (1525, 20580), (1708, 18375), (1715, 18300), (1750, 17934), (1830, 17150), (2058, 15250), (2100, 14945), (2135, 14700), (2450, 12810), (2562, 12250), (2625, 11956), (2940, 10675), (2989, 10500), (3050, 10290), (3430, 9150), (3500, 8967), (3660, 8575), (3675, 8540), (4116, 7625), (4270, 7350), (4575, 6860), (4900, 6405), (5124, 6125), (5145, 6100), (5250, 5978)]