28861950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 83338416

約数和(自身を除く): 54476466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 41, 50, 57, 65, 75, 78, 82, 95, 114, 123, 130, 150, 190, 195, 205, 246, 247, 285, 325, 361, 390, 410, 475, 494, 533, 570, 615, 650, 722, 741, 779, 950, 975, 1025, 1066, 1083, 1230, 1235, 1425, 1482, 1558, 1599, 1805, 1950, 2050, 2166, 2337, 2470, 2665, 2850, 3075, 3198, 3610, 3705, 3895, 4674, 4693, 5330, 5415, 6150, 6175, 7410, 7790, 7995, 9025, 9386, 10127, 10830, 11685, 12350, 13325, 14079, 14801, 15990, 18050, 18525, 19475, 20254, 23370, 23465, 26650, 27075, 28158, 29602, 30381, 37050, 38950, 39975, 44403, 46930, 50635, 54150, 58425, 60762, 70395, 74005, 79950, 88806, 101270, 116850, 117325, 140790, 148010, 151905, 192413, 222015, 234650, 253175, 303810, 351975, 370025, 384826, 444030, 506350, 577239, 703950, 740050, 759525, 962065, 1110075, 1154478, 1519050, 1924130, 2220150, 2886195, 4810325, 5772390, 9620650, 14430975, 28861950]

約数ペア:

[(1, 28861950), (2, 14430975), (3, 9620650), (5, 5772390), (6, 4810325), (10, 2886195), (13, 2220150), (15, 1924130), (19, 1519050), (25, 1154478), (26, 1110075), (30, 962065), (38, 759525), (39, 740050), (41, 703950), (50, 577239), (57, 506350), (65, 444030), (75, 384826), (78, 370025), (82, 351975), (95, 303810), (114, 253175), (123, 234650), (130, 222015), (150, 192413), (190, 151905), (195, 148010), (205, 140790), (246, 117325), (247, 116850), (285, 101270), (325, 88806), (361, 79950), (390, 74005), (410, 70395), (475, 60762), (494, 58425), (533, 54150), (570, 50635), (615, 46930), (650, 44403), (722, 39975), (741, 38950), (779, 37050), (950, 30381), (975, 29602), (1025, 28158), (1066, 27075), (1083, 26650), (1230, 23465), (1235, 23370), (1425, 20254), (1482, 19475), (1558, 18525), (1599, 18050), (1805, 15990), (1950, 14801), (2050, 14079), (2166, 13325), (2337, 12350), (2470, 11685), (2665, 10830), (2850, 10127), (3075, 9386), (3198, 9025), (3610, 7995), (3705, 7790), (3895, 7410), (4674, 6175), (4693, 6150), (5330, 5415)]