219955500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{5431}}^1$

素因数の和:5462

約数の個数: 120

約数和(自身を含む): 717741024

約数和(自身を除く): 497785524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 675, 750, 810, 900, 1125, 1350, 1500, 1620, 2025, 2250, 2700, 3375, 4050, 4500, 5431, 6750, 8100, 10125, 10862, 13500, 16293, 20250, 21724, 27155, 32586, 40500, 48879, 54310, 65172, 81465, 97758, 108620, 135775, 146637, 162930, 195516, 244395, 271550, 293274, 325860, 407325, 439911, 488790, 543100, 586548, 678875, 733185, 814650, 879822, 977580, 1221975, 1357750, 1466370, 1629300, 1759644, 2036625, 2199555, 2443950, 2715500, 2932740, 3665925, 4073250, 4399110, 4887900, 6109875, 7331850, 8146500, 8798220, 10997775, 12219750, 14663700, 18329625, 21995550, 24439500, 36659250, 43991100, 54988875, 73318500, 109977750, 219955500]

約数ペア:

[(1, 219955500), (2, 109977750), (3, 73318500), (4, 54988875), (5, 43991100), (6, 36659250), (9, 24439500), (10, 21995550), (12, 18329625), (15, 14663700), (18, 12219750), (20, 10997775), (25, 8798220), (27, 8146500), (30, 7331850), (36, 6109875), (45, 4887900), (50, 4399110), (54, 4073250), (60, 3665925), (75, 2932740), (81, 2715500), (90, 2443950), (100, 2199555), (108, 2036625), (125, 1759644), (135, 1629300), (150, 1466370), (162, 1357750), (180, 1221975), (225, 977580), (250, 879822), (270, 814650), (300, 733185), (324, 678875), (375, 586548), (405, 543100), (450, 488790), (500, 439911), (540, 407325), (675, 325860), (750, 293274), (810, 271550), (900, 244395), (1125, 195516), (1350, 162930), (1500, 146637), (1620, 135775), (2025, 108620), (2250, 97758), (2700, 81465), (3375, 65172), (4050, 54310), (4500, 48879), (5431, 40500), (6750, 32586), (8100, 27155), (10125, 21724), (10862, 20250), (13500, 16293)]