353296520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 807459840

約数和(自身を除く): 454163320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 191, 262, 353, 382, 524, 655, 706, 764, 955, 1048, 1310, 1412, 1528, 1765, 1910, 2620, 2824, 3530, 3820, 5240, 7060, 7640, 14120, 25021, 46243, 50042, 67423, 92486, 100084, 125105, 134846, 184972, 200168, 231215, 250210, 269692, 337115, 369944, 462430, 500420, 539384, 674230, 924860, 1000840, 1348460, 1849720, 2696920, 8832413, 17664826, 35329652, 44162065, 70659304, 88324130, 176648260, 353296520]

約数ペア:

[(1, 353296520), (2, 176648260), (4, 88324130), (5, 70659304), (8, 44162065), (10, 35329652), (20, 17664826), (40, 8832413), (131, 2696920), (191, 1849720), (262, 1348460), (353, 1000840), (382, 924860), (524, 674230), (655, 539384), (706, 500420), (764, 462430), (955, 369944), (1048, 337115), (1310, 269692), (1412, 250210), (1528, 231215), (1765, 200168), (1910, 184972), (2620, 134846), (2824, 125105), (3530, 100084), (3820, 92486), (5240, 67423), (7060, 50042), (7640, 46243), (14120, 25021)]