157428390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{749659}}^1$

素因数の和:749676

約数の個数: 32

約数和(自身を含む): 431804160

約数和(自身を除く): 274375770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 749659, 1499318, 2248977, 3748295, 4497954, 5247613, 7496590, 10495226, 11244885, 15742839, 22489770, 26238065, 31485678, 52476130, 78714195, 157428390]

約数ペア:

[(1, 157428390), (2, 78714195), (3, 52476130), (5, 31485678), (6, 26238065), (7, 22489770), (10, 15742839), (14, 11244885), (15, 10495226), (21, 7496590), (30, 5247613), (35, 4497954), (42, 3748295), (70, 2248977), (105, 1499318), (210, 749659)]