205661700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 216

約数和(自身を含む): 701100960

約数和(自身を除く): 495439260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 211, 225, 228, 270, 285, 300, 342, 361, 380, 422, 450, 475, 513, 540, 570, 633, 675, 684, 722, 844, 855, 900, 950, 1026, 1055, 1083, 1140, 1266, 1350, 1425, 1444, 1710, 1805, 1899, 1900, 2052, 2110, 2166, 2532, 2565, 2700, 2850, 3165, 3249, 3420, 3610, 3798, 4009, 4220, 4275, 4332, 5130, 5275, 5415, 5697, 5700, 6330, 6498, 7220, 7596, 8018, 8550, 9025, 9495, 9747, 10260, 10550, 10830, 11394, 12027, 12660, 12825, 12996, 15825, 16036, 16245, 17100, 18050, 18990, 19494, 20045, 21100, 21660, 22788, 24054, 25650, 27075, 28485, 31650, 32490, 36081, 36100, 37980, 38988, 40090, 47475, 48108, 48735, 51300, 54150, 56970, 60135, 63300, 64980, 72162, 76171, 80180, 81225, 94950, 97470, 100225, 108243, 108300, 113940, 120270, 142425, 144324, 152342, 162450, 180405, 189900, 194940, 200450, 216486, 228513, 240540, 243675, 284850, 300675, 304684, 324900, 360810, 380855, 400900, 432972, 457026, 487350, 541215, 569700, 601350, 685539, 721620, 761710, 902025, 914052, 974700, 1082430, 1142565, 1202700, 1371078, 1523420, 1804050, 1904275, 2056617, 2164860, 2285130, 2706075, 2742156, 3427695, 3608100, 3808550, 4113234, 4570260, 5412150, 5712825, 6855390, 7617100, 8226468, 10283085, 10824300, 11425650, 13710780, 17138475, 20566170, 22851300, 34276950, 41132340, 51415425, 68553900, 102830850, 205661700]

約数ペア:

[(1, 205661700), (2, 102830850), (3, 68553900), (4, 51415425), (5, 41132340), (6, 34276950), (9, 22851300), (10, 20566170), (12, 17138475), (15, 13710780), (18, 11425650), (19, 10824300), (20, 10283085), (25, 8226468), (27, 7617100), (30, 6855390), (36, 5712825), (38, 5412150), (45, 4570260), (50, 4113234), (54, 3808550), (57, 3608100), (60, 3427695), (75, 2742156), (76, 2706075), (90, 2285130), (95, 2164860), (100, 2056617), (108, 1904275), (114, 1804050), (135, 1523420), (150, 1371078), (171, 1202700), (180, 1142565), (190, 1082430), (211, 974700), (225, 914052), (228, 902025), (270, 761710), (285, 721620), (300, 685539), (342, 601350), (361, 569700), (380, 541215), (422, 487350), (450, 457026), (475, 432972), (513, 400900), (540, 380855), (570, 360810), (633, 324900), (675, 304684), (684, 300675), (722, 284850), (844, 243675), (855, 240540), (900, 228513), (950, 216486), (1026, 200450), (1055, 194940), (1083, 189900), (1140, 180405), (1266, 162450), (1350, 152342), (1425, 144324), (1444, 142425), (1710, 120270), (1805, 113940), (1899, 108300), (1900, 108243), (2052, 100225), (2110, 97470), (2166, 94950), (2532, 81225), (2565, 80180), (2700, 76171), (2850, 72162), (3165, 64980), (3249, 63300), (3420, 60135), (3610, 56970), (3798, 54150), (4009, 51300), (4220, 48735), (4275, 48108), (4332, 47475), (5130, 40090), (5275, 38988), (5415, 37980), (5697, 36100), (5700, 36081), (6330, 32490), (6498, 31650), (7220, 28485), (7596, 27075), (8018, 25650), (8550, 24054), (9025, 22788), (9495, 21660), (9747, 21100), (10260, 20045), (10550, 19494), (10830, 18990), (11394, 18050), (12027, 17100), (12660, 16245), (12825, 16036), (12996, 15825)]