18485300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 42497280

約数和(自身を除く): 24011980

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 67, 89, 100, 124, 134, 155, 178, 268, 310, 335, 356, 445, 620, 670, 775, 890, 1340, 1550, 1675, 1780, 2077, 2225, 2759, 3100, 3350, 4154, 4450, 5518, 5963, 6700, 8308, 8900, 10385, 11036, 11926, 13795, 20770, 23852, 27590, 29815, 41540, 51925, 55180, 59630, 68975, 103850, 119260, 137950, 149075, 184853, 207700, 275900, 298150, 369706, 596300, 739412, 924265, 1848530, 3697060, 4621325, 9242650, 18485300]

約数ペア:

[(1, 18485300), (2, 9242650), (4, 4621325), (5, 3697060), (10, 1848530), (20, 924265), (25, 739412), (31, 596300), (50, 369706), (62, 298150), (67, 275900), (89, 207700), (100, 184853), (124, 149075), (134, 137950), (155, 119260), (178, 103850), (268, 68975), (310, 59630), (335, 55180), (356, 51925), (445, 41540), (620, 29815), (670, 27590), (775, 23852), (890, 20770), (1340, 13795), (1550, 11926), (1675, 11036), (1780, 10385), (2077, 8900), (2225, 8308), (2759, 6700), (3100, 5963), (3350, 5518), (4154, 4450)]