31228260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74353}}^1$

素因数の和:74372

約数の個数: 48

約数和(自身を含む): 99931776

約数和(自身を除く): 68703516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74353, 148706, 223059, 297412, 371765, 446118, 520471, 743530, 892236, 1040942, 1115295, 1487060, 1561413, 2081884, 2230590, 2602355, 3122826, 4461180, 5204710, 6245652, 7807065, 10409420, 15614130, 31228260]

約数ペア:

[(1, 31228260), (2, 15614130), (3, 10409420), (4, 7807065), (5, 6245652), (6, 5204710), (7, 4461180), (10, 3122826), (12, 2602355), (14, 2230590), (15, 2081884), (20, 1561413), (21, 1487060), (28, 1115295), (30, 1040942), (35, 892236), (42, 743530), (60, 520471), (70, 446118), (84, 371765), (105, 297412), (140, 223059), (210, 148706), (420, 74353)]