161720150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3119}}^1$

素因数の和:3209

約数の個数: 48

約数和(自身を含む): 323818560

約数和(自身を除く): 162098410

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 170, 305, 425, 610, 850, 1037, 1525, 2074, 3050, 3119, 5185, 6238, 10370, 15595, 25925, 31190, 51850, 53023, 77975, 106046, 155950, 190259, 265115, 380518, 530230, 951295, 1325575, 1902590, 2651150, 3234403, 4756475, 6468806, 9512950, 16172015, 32344030, 80860075, 161720150]

約数ペア:

[(1, 161720150), (2, 80860075), (5, 32344030), (10, 16172015), (17, 9512950), (25, 6468806), (34, 4756475), (50, 3234403), (61, 2651150), (85, 1902590), (122, 1325575), (170, 951295), (305, 530230), (425, 380518), (610, 265115), (850, 190259), (1037, 155950), (1525, 106046), (2074, 77975), (3050, 53023), (3119, 51850), (5185, 31190), (6238, 25925), (10370, 15595)]