42628400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 110707200

約数和(自身を除く): 68078800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 71, 76, 79, 80, 95, 100, 142, 152, 158, 190, 200, 284, 304, 316, 355, 380, 395, 400, 475, 568, 632, 710, 760, 790, 950, 1136, 1264, 1349, 1420, 1501, 1520, 1580, 1775, 1900, 1975, 2698, 2840, 3002, 3160, 3550, 3800, 3950, 5396, 5609, 5680, 6004, 6320, 6745, 7100, 7505, 7600, 7900, 10792, 11218, 12008, 13490, 14200, 15010, 15800, 21584, 22436, 24016, 26980, 28045, 28400, 30020, 31600, 33725, 37525, 44872, 53960, 56090, 60040, 67450, 75050, 89744, 106571, 107920, 112180, 120080, 134900, 140225, 150100, 213142, 224360, 269800, 280450, 300200, 426284, 448720, 532855, 539600, 560900, 600400, 852568, 1065710, 1121800, 1705136, 2131420, 2243600, 2664275, 4262840, 5328550, 8525680, 10657100, 21314200, 42628400]

約数ペア:

[(1, 42628400), (2, 21314200), (4, 10657100), (5, 8525680), (8, 5328550), (10, 4262840), (16, 2664275), (19, 2243600), (20, 2131420), (25, 1705136), (38, 1121800), (40, 1065710), (50, 852568), (71, 600400), (76, 560900), (79, 539600), (80, 532855), (95, 448720), (100, 426284), (142, 300200), (152, 280450), (158, 269800), (190, 224360), (200, 213142), (284, 150100), (304, 140225), (316, 134900), (355, 120080), (380, 112180), (395, 107920), (400, 106571), (475, 89744), (568, 75050), (632, 67450), (710, 60040), (760, 56090), (790, 53960), (950, 44872), (1136, 37525), (1264, 33725), (1349, 31600), (1420, 30020), (1501, 28400), (1520, 28045), (1580, 26980), (1775, 24016), (1900, 22436), (1975, 21584), (2698, 15800), (2840, 15010), (3002, 14200), (3160, 13490), (3550, 12008), (3800, 11218), (3950, 10792), (5396, 7900), (5609, 7600), (5680, 7505), (6004, 7100), (6320, 6745)]