399308940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12973}}^1$

素因数の和:13013

約数の個数: 120

約数和(自身を含む): 1318677360

約数和(自身を除く): 919368420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 10260, 12973, 15390, 25946, 30780, 38919, 51892, 64865, 77838, 116757, 129730, 155676, 194595, 233514, 246487, 259460, 350271, 389190, 467028, 492974, 583785, 700542, 739461, 778380, 985948, 1050813, 1167570, 1232435, 1401084, 1478922, 1751355, 2101626, 2218383, 2335140, 2464870, 2957844, 3502710, 3697305, 4203252, 4436766, 4929740, 5254065, 6655149, 7005420, 7394610, 8873532, 10508130, 11091915, 13310298, 14789220, 19965447, 21016260, 22183830, 26620596, 33275745, 39930894, 44367660, 66551490, 79861788, 99827235, 133102980, 199654470, 399308940]

約数ペア:

[(1, 399308940), (2, 199654470), (3, 133102980), (4, 99827235), (5, 79861788), (6, 66551490), (9, 44367660), (10, 39930894), (12, 33275745), (15, 26620596), (18, 22183830), (19, 21016260), (20, 19965447), (27, 14789220), (30, 13310298), (36, 11091915), (38, 10508130), (45, 8873532), (54, 7394610), (57, 7005420), (60, 6655149), (76, 5254065), (81, 4929740), (90, 4436766), (95, 4203252), (108, 3697305), (114, 3502710), (135, 2957844), (162, 2464870), (171, 2335140), (180, 2218383), (190, 2101626), (228, 1751355), (270, 1478922), (285, 1401084), (324, 1232435), (342, 1167570), (380, 1050813), (405, 985948), (513, 778380), (540, 739461), (570, 700542), (684, 583785), (810, 492974), (855, 467028), (1026, 389190), (1140, 350271), (1539, 259460), (1620, 246487), (1710, 233514), (2052, 194595), (2565, 155676), (3078, 129730), (3420, 116757), (5130, 77838), (6156, 64865), (7695, 51892), (10260, 38919), (12973, 30780), (15390, 25946)]