212796400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^2$

素因数の和:311

約数の個数: 90

約数和(自身を含む): 531794336

約数和(自身を除く): 318997936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 131, 155, 200, 248, 262, 310, 400, 496, 524, 620, 655, 775, 1048, 1240, 1310, 1550, 2096, 2480, 2620, 3100, 3275, 4061, 5240, 6200, 6550, 8122, 10480, 12400, 13100, 16244, 17161, 20305, 26200, 32488, 34322, 40610, 52400, 64976, 68644, 81220, 85805, 101525, 137288, 162440, 171610, 203050, 274576, 324880, 343220, 406100, 429025, 531991, 686440, 812200, 858050, 1063982, 1372880, 1624400, 1716100, 2127964, 2659955, 3432200, 4255928, 5319910, 6864400, 8511856, 10639820, 13299775, 21279640, 26599550, 42559280, 53199100, 106398200, 212796400]

約数ペア:

[(1, 212796400), (2, 106398200), (4, 53199100), (5, 42559280), (8, 26599550), (10, 21279640), (16, 13299775), (20, 10639820), (25, 8511856), (31, 6864400), (40, 5319910), (50, 4255928), (62, 3432200), (80, 2659955), (100, 2127964), (124, 1716100), (131, 1624400), (155, 1372880), (200, 1063982), (248, 858050), (262, 812200), (310, 686440), (400, 531991), (496, 429025), (524, 406100), (620, 343220), (655, 324880), (775, 274576), (1048, 203050), (1240, 171610), (1310, 162440), (1550, 137288), (2096, 101525), (2480, 85805), (2620, 81220), (3100, 68644), (3275, 64976), (4061, 52400), (5240, 40610), (6200, 34322), (6550, 32488), (8122, 26200), (10480, 20305), (12400, 17161), (13100, 16244)]