1389300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 4395552

約数和(自身を除く): 3006252

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 421, 550, 660, 825, 842, 1100, 1263, 1650, 1684, 2105, 2526, 3300, 4210, 4631, 5052, 6315, 8420, 9262, 10525, 12630, 13893, 18524, 21050, 23155, 25260, 27786, 31575, 42100, 46310, 55572, 63150, 69465, 92620, 115775, 126300, 138930, 231550, 277860, 347325, 463100, 694650, 1389300]

約数ペア:

[(1, 1389300), (2, 694650), (3, 463100), (4, 347325), (5, 277860), (6, 231550), (10, 138930), (11, 126300), (12, 115775), (15, 92620), (20, 69465), (22, 63150), (25, 55572), (30, 46310), (33, 42100), (44, 31575), (50, 27786), (55, 25260), (60, 23155), (66, 21050), (75, 18524), (100, 13893), (110, 12630), (132, 10525), (150, 9262), (165, 8420), (220, 6315), (275, 5052), (300, 4631), (330, 4210), (421, 3300), (550, 2526), (660, 2105), (825, 1684), (842, 1650), (1100, 1263)]