204280700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 509800704

約数和(自身を除く): 305520004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 37, 50, 52, 62, 65, 74, 100, 124, 130, 137, 148, 155, 185, 260, 274, 310, 325, 370, 403, 481, 548, 620, 650, 685, 740, 775, 806, 925, 962, 1147, 1300, 1370, 1550, 1612, 1781, 1850, 1924, 2015, 2294, 2405, 2740, 3100, 3425, 3562, 3700, 4030, 4247, 4588, 4810, 5069, 5735, 6850, 7124, 8060, 8494, 8905, 9620, 10075, 10138, 11470, 12025, 13700, 14911, 16988, 17810, 20150, 20276, 21235, 22940, 24050, 25345, 28675, 29822, 35620, 40300, 42470, 44525, 48100, 50690, 55211, 57350, 59644, 65897, 74555, 84940, 89050, 101380, 106175, 110422, 114700, 126725, 131794, 149110, 157139, 178100, 212350, 220844, 253450, 263588, 276055, 298220, 314278, 329485, 372775, 424700, 506900, 552110, 628556, 658970, 745550, 785695, 1104220, 1317940, 1380275, 1491100, 1571390, 1647425, 2042807, 2760550, 3142780, 3294850, 3928475, 4085614, 5521100, 6589700, 7856950, 8171228, 10214035, 15713900, 20428070, 40856140, 51070175, 102140350, 204280700]

約数ペア:

[(1, 204280700), (2, 102140350), (4, 51070175), (5, 40856140), (10, 20428070), (13, 15713900), (20, 10214035), (25, 8171228), (26, 7856950), (31, 6589700), (37, 5521100), (50, 4085614), (52, 3928475), (62, 3294850), (65, 3142780), (74, 2760550), (100, 2042807), (124, 1647425), (130, 1571390), (137, 1491100), (148, 1380275), (155, 1317940), (185, 1104220), (260, 785695), (274, 745550), (310, 658970), (325, 628556), (370, 552110), (403, 506900), (481, 424700), (548, 372775), (620, 329485), (650, 314278), (685, 298220), (740, 276055), (775, 263588), (806, 253450), (925, 220844), (962, 212350), (1147, 178100), (1300, 157139), (1370, 149110), (1550, 131794), (1612, 126725), (1781, 114700), (1850, 110422), (1924, 106175), (2015, 101380), (2294, 89050), (2405, 84940), (2740, 74555), (3100, 65897), (3425, 59644), (3562, 57350), (3700, 55211), (4030, 50690), (4247, 48100), (4588, 44525), (4810, 42470), (5069, 40300), (5735, 35620), (6850, 29822), (7124, 28675), (8060, 25345), (8494, 24050), (8905, 22940), (9620, 21235), (10075, 20276), (10138, 20150), (11470, 17810), (12025, 16988), (13700, 14911)]