71857920100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{42821}}^1$

素因数の和:43105

約数の個数: 72

約数和(自身を含む): 158453561448

約数和(自身を除く): 86595641348

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 173, 194, 346, 388, 485, 692, 865, 970, 1730, 1940, 2425, 3460, 4325, 4850, 8650, 9700, 16781, 17300, 33562, 42821, 67124, 83905, 85642, 167810, 171284, 214105, 335620, 419525, 428210, 839050, 856420, 1070525, 1678100, 2141050, 4153637, 4282100, 7408033, 8307274, 14816066, 16614548, 20768185, 29632132, 37040165, 41536370, 74080330, 83072740, 103840925, 148160660, 185200825, 207681850, 370401650, 415363700, 718579201, 740803300, 1437158402, 2874316804, 3592896005, 7185792010, 14371584020, 17964480025, 35928960050, 71857920100]

約数ペア:

[(1, 71857920100), (2, 35928960050), (4, 17964480025), (5, 14371584020), (10, 7185792010), (20, 3592896005), (25, 2874316804), (50, 1437158402), (97, 740803300), (100, 718579201), (173, 415363700), (194, 370401650), (346, 207681850), (388, 185200825), (485, 148160660), (692, 103840925), (865, 83072740), (970, 74080330), (1730, 41536370), (1940, 37040165), (2425, 29632132), (3460, 20768185), (4325, 16614548), (4850, 14816066), (8650, 8307274), (9700, 7408033), (16781, 4282100), (17300, 4153637), (33562, 2141050), (42821, 1678100), (67124, 1070525), (83905, 856420), (85642, 839050), (167810, 428210), (171284, 419525), (214105, 335620)]