200900475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 388582272

約数和(自身を除く): 187681797

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 53, 75, 85, 153, 159, 225, 255, 265, 425, 477, 765, 795, 901, 991, 1275, 1325, 2385, 2703, 2973, 3825, 3975, 4505, 4955, 8109, 8919, 11925, 13515, 14865, 16847, 22525, 24775, 40545, 44595, 50541, 52523, 67575, 74325, 84235, 151623, 157569, 202725, 222975, 252705, 262615, 421175, 472707, 758115, 787845, 892891, 1263525, 1313075, 2363535, 2678673, 3790575, 3939225, 4464455, 8036019, 11817675, 13393365, 22322275, 40180095, 66966825, 200900475]

約数ペア:

[(1, 200900475), (3, 66966825), (5, 40180095), (9, 22322275), (15, 13393365), (17, 11817675), (25, 8036019), (45, 4464455), (51, 3939225), (53, 3790575), (75, 2678673), (85, 2363535), (153, 1313075), (159, 1263525), (225, 892891), (255, 787845), (265, 758115), (425, 472707), (477, 421175), (765, 262615), (795, 252705), (901, 222975), (991, 202725), (1275, 157569), (1325, 151623), (2385, 84235), (2703, 74325), (2973, 67575), (3825, 52523), (3975, 50541), (4505, 44595), (4955, 40545), (8109, 24775), (8919, 22525), (11925, 16847), (13515, 14865)]