199720347850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{541}}^1\times {\mathrm{139309}}^1$

素因数の和:139915

約数の個数: 48

約数和(自身を含む): 379191232440

約数和(自身を除く): 179470884590

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 541, 1082, 1325, 2650, 2705, 5410, 13525, 27050, 28673, 57346, 139309, 143365, 278618, 286730, 696545, 716825, 1393090, 1433650, 3482725, 6965450, 7383377, 14766754, 36916885, 73833770, 75366169, 150732338, 184584425, 369168850, 376830845, 753661690, 1884154225, 3768308450, 3994406957, 7988813914, 19972034785, 39944069570, 99860173925, 199720347850]

約数ペア:

[(1, 199720347850), (2, 99860173925), (5, 39944069570), (10, 19972034785), (25, 7988813914), (50, 3994406957), (53, 3768308450), (106, 1884154225), (265, 753661690), (530, 376830845), (541, 369168850), (1082, 184584425), (1325, 150732338), (2650, 75366169), (2705, 73833770), (5410, 36916885), (13525, 14766754), (27050, 7383377), (28673, 6965450), (57346, 3482725), (139309, 1433650), (143365, 1393090), (278618, 716825), (286730, 696545)]