248732820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{28201}}^1$

素因数の和:28230

約数の個数: 108

約数和(自身を含む): 877702644

約数和(自身を除く): 628969824

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 28201, 56402, 84603, 112804, 141005, 169206, 197407, 253809, 282010, 338412, 394814, 423015, 507618, 564020, 592221, 789628, 846030, 987035, 1015236, 1184442, 1269045, 1381849, 1692060, 1776663, 1974070, 2368884, 2538090, 2763698, 2961105, 3553326, 3948140, 4145547, 5076180, 5527396, 5922210, 6909245, 7106652, 8291094, 8883315, 11844420, 12436641, 13818490, 16582188, 17766630, 20727735, 24873282, 27636980, 35533260, 41455470, 49746564, 62183205, 82910940, 124366410, 248732820]

約数ペア:

[(1, 248732820), (2, 124366410), (3, 82910940), (4, 62183205), (5, 49746564), (6, 41455470), (7, 35533260), (9, 27636980), (10, 24873282), (12, 20727735), (14, 17766630), (15, 16582188), (18, 13818490), (20, 12436641), (21, 11844420), (28, 8883315), (30, 8291094), (35, 7106652), (36, 6909245), (42, 5922210), (45, 5527396), (49, 5076180), (60, 4145547), (63, 3948140), (70, 3553326), (84, 2961105), (90, 2763698), (98, 2538090), (105, 2368884), (126, 1974070), (140, 1776663), (147, 1692060), (180, 1381849), (196, 1269045), (210, 1184442), (245, 1015236), (252, 987035), (294, 846030), (315, 789628), (420, 592221), (441, 564020), (490, 507618), (588, 423015), (630, 394814), (735, 338412), (882, 282010), (980, 253809), (1260, 197407), (1470, 169206), (1764, 141005), (2205, 112804), (2940, 84603), (4410, 56402), (8820, 28201)]