201720650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 385448544

約数和(自身を除く): 183727894

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 163, 265, 326, 467, 530, 815, 934, 1325, 1630, 2335, 2650, 4075, 4670, 8150, 8639, 11675, 17278, 23350, 24751, 43195, 49502, 76121, 86390, 123755, 152242, 215975, 247510, 380605, 431950, 618775, 761210, 1237550, 1903025, 3806050, 4034413, 8068826, 20172065, 40344130, 100860325, 201720650]

約数ペア:

[(1, 201720650), (2, 100860325), (5, 40344130), (10, 20172065), (25, 8068826), (50, 4034413), (53, 3806050), (106, 1903025), (163, 1237550), (265, 761210), (326, 618775), (467, 431950), (530, 380605), (815, 247510), (934, 215975), (1325, 152242), (1630, 123755), (2335, 86390), (2650, 76121), (4075, 49502), (4670, 43195), (8150, 24751), (8639, 23350), (11675, 17278)]