258998300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1361}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 617116752

約数和(自身を除く): 358118452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 173, 220, 275, 346, 550, 692, 865, 1100, 1361, 1730, 1903, 2722, 3460, 3806, 4325, 5444, 6805, 7612, 8650, 9515, 13610, 14971, 17300, 19030, 27220, 29942, 34025, 38060, 47575, 59884, 68050, 74855, 95150, 136100, 149710, 190300, 235453, 299420, 374275, 470906, 748550, 941812, 1177265, 1497100, 2354530, 2589983, 4709060, 5179966, 5886325, 10359932, 11772650, 12949915, 23545300, 25899830, 51799660, 64749575, 129499150, 258998300]

約数ペア:

[(1, 258998300), (2, 129499150), (4, 64749575), (5, 51799660), (10, 25899830), (11, 23545300), (20, 12949915), (22, 11772650), (25, 10359932), (44, 5886325), (50, 5179966), (55, 4709060), (100, 2589983), (110, 2354530), (173, 1497100), (220, 1177265), (275, 941812), (346, 748550), (550, 470906), (692, 374275), (865, 299420), (1100, 235453), (1361, 190300), (1730, 149710), (1903, 136100), (2722, 95150), (3460, 74855), (3806, 68050), (4325, 59884), (5444, 47575), (6805, 38060), (7612, 34025), (8650, 29942), (9515, 27220), (13610, 19030), (14971, 17300)]