331694860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{15901}}^1$

素因数の和:16066

約数の個数: 48

約数和(自身を含む): 801460800

約数和(自身を除く): 469765940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 15901, 20860, 31802, 63604, 79505, 111307, 159010, 222614, 318020, 445228, 556535, 1113070, 2226140, 2369249, 4738498, 9476996, 11846245, 16584743, 23692490, 33169486, 47384980, 66338972, 82923715, 165847430, 331694860]

約数ペア:

[(1, 331694860), (2, 165847430), (4, 82923715), (5, 66338972), (7, 47384980), (10, 33169486), (14, 23692490), (20, 16584743), (28, 11846245), (35, 9476996), (70, 4738498), (140, 2369249), (149, 2226140), (298, 1113070), (596, 556535), (745, 445228), (1043, 318020), (1490, 222614), (2086, 159010), (2980, 111307), (4172, 79505), (5215, 63604), (10430, 31802), (15901, 20860)]