203864500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 531065808

約数和(自身を除く): 327201308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 98, 100, 106, 125, 140, 157, 175, 196, 212, 245, 250, 265, 314, 350, 371, 490, 500, 530, 628, 700, 742, 785, 875, 980, 1060, 1099, 1225, 1325, 1484, 1570, 1750, 1855, 2198, 2450, 2597, 2650, 3140, 3500, 3710, 3925, 4396, 4900, 5194, 5300, 5495, 6125, 6625, 7420, 7693, 7850, 8321, 9275, 10388, 10990, 12250, 12985, 13250, 15386, 15700, 16642, 18550, 19625, 21980, 24500, 25970, 26500, 27475, 30772, 33284, 37100, 38465, 39250, 41605, 46375, 51940, 54950, 58247, 64925, 76930, 78500, 83210, 92750, 109900, 116494, 129850, 137375, 153860, 166420, 185500, 192325, 208025, 232988, 259700, 274750, 291235, 324625, 384650, 407729, 416050, 549500, 582470, 649250, 769300, 815458, 832100, 961625, 1040125, 1164940, 1298500, 1456175, 1630916, 1923250, 2038645, 2080250, 2912350, 3846500, 4077290, 4160500, 5824700, 7280875, 8154580, 10193225, 14561750, 20386450, 29123500, 40772900, 50966125, 101932250, 203864500]

約数ペア:

[(1, 203864500), (2, 101932250), (4, 50966125), (5, 40772900), (7, 29123500), (10, 20386450), (14, 14561750), (20, 10193225), (25, 8154580), (28, 7280875), (35, 5824700), (49, 4160500), (50, 4077290), (53, 3846500), (70, 2912350), (98, 2080250), (100, 2038645), (106, 1923250), (125, 1630916), (140, 1456175), (157, 1298500), (175, 1164940), (196, 1040125), (212, 961625), (245, 832100), (250, 815458), (265, 769300), (314, 649250), (350, 582470), (371, 549500), (490, 416050), (500, 407729), (530, 384650), (628, 324625), (700, 291235), (742, 274750), (785, 259700), (875, 232988), (980, 208025), (1060, 192325), (1099, 185500), (1225, 166420), (1325, 153860), (1484, 137375), (1570, 129850), (1750, 116494), (1855, 109900), (2198, 92750), (2450, 83210), (2597, 78500), (2650, 76930), (3140, 64925), (3500, 58247), (3710, 54950), (3925, 51940), (4396, 46375), (4900, 41605), (5194, 39250), (5300, 38465), (5495, 37100), (6125, 33284), (6625, 30772), (7420, 27475), (7693, 26500), (7850, 25970), (8321, 24500), (9275, 21980), (10388, 19625), (10990, 18550), (12250, 16642), (12985, 15700), (13250, 15386)]