238138020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:602

約数の個数: 144

約数和(自身を含む): 766584000

約数和(自身を除く): 528445980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 179, 180, 190, 228, 285, 342, 358, 380, 389, 537, 570, 684, 716, 778, 855, 895, 1074, 1140, 1167, 1556, 1611, 1710, 1790, 1945, 2148, 2334, 2685, 3222, 3401, 3420, 3501, 3580, 3890, 4668, 5370, 5835, 6444, 6802, 7002, 7391, 7780, 8055, 10203, 10740, 11670, 13604, 14004, 14782, 16110, 17005, 17505, 20406, 22173, 23340, 29564, 30609, 32220, 34010, 35010, 36955, 40812, 44346, 51015, 61218, 66519, 68020, 69631, 70020, 73910, 88692, 102030, 110865, 122436, 133038, 139262, 147820, 153045, 204060, 208893, 221730, 266076, 278524, 306090, 332595, 348155, 417786, 443460, 612180, 626679, 665190, 696310, 835572, 1044465, 1253358, 1322989, 1330380, 1392620, 2088930, 2506716, 2645978, 3133395, 3968967, 4177860, 5291956, 6266790, 6614945, 7937934, 11906901, 12533580, 13229890, 15875868, 19844835, 23813802, 26459780, 39689670, 47627604, 59534505, 79379340, 119069010, 238138020]

約数ペア:

[(1, 238138020), (2, 119069010), (3, 79379340), (4, 59534505), (5, 47627604), (6, 39689670), (9, 26459780), (10, 23813802), (12, 19844835), (15, 15875868), (18, 13229890), (19, 12533580), (20, 11906901), (30, 7937934), (36, 6614945), (38, 6266790), (45, 5291956), (57, 4177860), (60, 3968967), (76, 3133395), (90, 2645978), (95, 2506716), (114, 2088930), (171, 1392620), (179, 1330380), (180, 1322989), (190, 1253358), (228, 1044465), (285, 835572), (342, 696310), (358, 665190), (380, 626679), (389, 612180), (537, 443460), (570, 417786), (684, 348155), (716, 332595), (778, 306090), (855, 278524), (895, 266076), (1074, 221730), (1140, 208893), (1167, 204060), (1556, 153045), (1611, 147820), (1710, 139262), (1790, 133038), (1945, 122436), (2148, 110865), (2334, 102030), (2685, 88692), (3222, 73910), (3401, 70020), (3420, 69631), (3501, 68020), (3580, 66519), (3890, 61218), (4668, 51015), (5370, 44346), (5835, 40812), (6444, 36955), (6802, 35010), (7002, 34010), (7391, 32220), (7780, 30609), (8055, 29564), (10203, 23340), (10740, 22173), (11670, 20406), (13604, 17505), (14004, 17005), (14782, 16110)]