289380035

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 442654704

約数和(自身を除く): 153274669

約数列:

[1, 5, 7, 17, 35, 49, 61, 67, 85, 119, 245, 289, 305, 335, 427, 469, 595, 833, 1037, 1139, 1445, 2023, 2135, 2345, 2989, 3283, 4087, 4165, 5185, 5695, 7259, 7973, 10115, 14161, 14945, 16415, 17629, 19363, 20435, 28609, 36295, 39865, 50813, 55811, 69479, 70805, 88145, 96815, 123403, 135541, 143045, 200263, 254065, 279055, 347395, 486353, 617015, 677705, 863821, 948787, 1001315, 1181143, 2431765, 3404471, 4319105, 4743935, 5905715, 8268001, 17022355, 41340005, 57876007, 289380035]

約数ペア:

[(1, 289380035), (5, 57876007), (7, 41340005), (17, 17022355), (35, 8268001), (49, 5905715), (61, 4743935), (67, 4319105), (85, 3404471), (119, 2431765), (245, 1181143), (289, 1001315), (305, 948787), (335, 863821), (427, 677705), (469, 617015), (595, 486353), (833, 347395), (1037, 279055), (1139, 254065), (1445, 200263), (2023, 143045), (2135, 135541), (2345, 123403), (2989, 96815), (3283, 88145), (4087, 70805), (4165, 69479), (5185, 55811), (5695, 50813), (7259, 39865), (7973, 36295), (10115, 28609), (14161, 20435), (14945, 19363), (16415, 17629)]