218500380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9127}}^1$

素因数の和:9168

約数の個数: 144

約数和(自身を含む): 797422080

約数和(自身を除く): 578921700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 9127, 11970, 18254, 23940, 27381, 36508, 45635, 54762, 63889, 82143, 91270, 109524, 127778, 136905, 164286, 173413, 182540, 191667, 255556, 273810, 319445, 328572, 346826, 383334, 410715, 520239, 547620, 575001, 638890, 693652, 766668, 821430, 867065, 958335, 1040478, 1150002, 1213891, 1277780, 1560717, 1642860, 1734130, 1916670, 2080956, 2300004, 2427782, 2601195, 2875005, 3121434, 3468260, 3641673, 3833340, 4855564, 5202390, 5750010, 6069455, 6242868, 7283346, 7803585, 10404780, 10925019, 11500020, 12138910, 14566692, 15607170, 18208365, 21850038, 24277820, 31214340, 36416730, 43700076, 54625095, 72833460, 109250190, 218500380]

約数ペア:

[(1, 218500380), (2, 109250190), (3, 72833460), (4, 54625095), (5, 43700076), (6, 36416730), (7, 31214340), (9, 24277820), (10, 21850038), (12, 18208365), (14, 15607170), (15, 14566692), (18, 12138910), (19, 11500020), (20, 10925019), (21, 10404780), (28, 7803585), (30, 7283346), (35, 6242868), (36, 6069455), (38, 5750010), (42, 5202390), (45, 4855564), (57, 3833340), (60, 3641673), (63, 3468260), (70, 3121434), (76, 2875005), (84, 2601195), (90, 2427782), (95, 2300004), (105, 2080956), (114, 1916670), (126, 1734130), (133, 1642860), (140, 1560717), (171, 1277780), (180, 1213891), (190, 1150002), (210, 1040478), (228, 958335), (252, 867065), (266, 821430), (285, 766668), (315, 693652), (342, 638890), (380, 575001), (399, 547620), (420, 520239), (532, 410715), (570, 383334), (630, 346826), (665, 328572), (684, 319445), (798, 273810), (855, 255556), (1140, 191667), (1197, 182540), (1260, 173413), (1330, 164286), (1596, 136905), (1710, 127778), (1995, 109524), (2394, 91270), (2660, 82143), (3420, 63889), (3990, 54762), (4788, 45635), (5985, 36508), (7980, 27381), (9127, 23940), (11970, 18254)]