28875700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 108

約数和(自身を含む): 74807712

約数和(自身を除く): 45932012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 71, 83, 98, 100, 140, 142, 166, 175, 196, 245, 284, 332, 350, 355, 415, 490, 497, 581, 700, 710, 830, 980, 994, 1162, 1225, 1420, 1660, 1775, 1988, 2075, 2324, 2450, 2485, 2905, 3479, 3550, 4067, 4150, 4900, 4970, 5810, 5893, 6958, 7100, 8134, 8300, 9940, 11620, 11786, 12425, 13916, 14525, 16268, 17395, 20335, 23572, 24850, 29050, 29465, 34790, 40670, 41251, 49700, 58100, 58930, 69580, 81340, 82502, 86975, 101675, 117860, 147325, 165004, 173950, 203350, 206255, 288757, 294650, 347900, 406700, 412510, 577514, 589300, 825020, 1031275, 1155028, 1443785, 2062550, 2887570, 4125100, 5775140, 7218925, 14437850, 28875700]

約数ペア:

[(1, 28875700), (2, 14437850), (4, 7218925), (5, 5775140), (7, 4125100), (10, 2887570), (14, 2062550), (20, 1443785), (25, 1155028), (28, 1031275), (35, 825020), (49, 589300), (50, 577514), (70, 412510), (71, 406700), (83, 347900), (98, 294650), (100, 288757), (140, 206255), (142, 203350), (166, 173950), (175, 165004), (196, 147325), (245, 117860), (284, 101675), (332, 86975), (350, 82502), (355, 81340), (415, 69580), (490, 58930), (497, 58100), (581, 49700), (700, 41251), (710, 40670), (830, 34790), (980, 29465), (994, 29050), (1162, 24850), (1225, 23572), (1420, 20335), (1660, 17395), (1775, 16268), (1988, 14525), (2075, 13916), (2324, 12425), (2450, 11786), (2485, 11620), (2905, 9940), (3479, 8300), (3550, 8134), (4067, 7100), (4150, 6958), (4900, 5893), (4970, 5810)]