19615600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 51894000

約数和(自身を除く): 32278400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 38, 40, 50, 58, 76, 80, 89, 95, 100, 116, 145, 152, 178, 190, 200, 232, 290, 304, 356, 380, 400, 445, 464, 475, 551, 580, 712, 725, 760, 890, 950, 1102, 1160, 1424, 1450, 1520, 1691, 1780, 1900, 2204, 2225, 2320, 2581, 2755, 2900, 3382, 3560, 3800, 4408, 4450, 5162, 5510, 5800, 6764, 7120, 7600, 8455, 8816, 8900, 10324, 11020, 11600, 12905, 13528, 13775, 16910, 17800, 20648, 22040, 25810, 27056, 27550, 33820, 35600, 41296, 42275, 44080, 49039, 51620, 55100, 64525, 67640, 84550, 98078, 103240, 110200, 129050, 135280, 169100, 196156, 206480, 220400, 245195, 258100, 338200, 392312, 490390, 516200, 676400, 784624, 980780, 1032400, 1225975, 1961560, 2451950, 3923120, 4903900, 9807800, 19615600]

約数ペア:

[(1, 19615600), (2, 9807800), (4, 4903900), (5, 3923120), (8, 2451950), (10, 1961560), (16, 1225975), (19, 1032400), (20, 980780), (25, 784624), (29, 676400), (38, 516200), (40, 490390), (50, 392312), (58, 338200), (76, 258100), (80, 245195), (89, 220400), (95, 206480), (100, 196156), (116, 169100), (145, 135280), (152, 129050), (178, 110200), (190, 103240), (200, 98078), (232, 84550), (290, 67640), (304, 64525), (356, 55100), (380, 51620), (400, 49039), (445, 44080), (464, 42275), (475, 41296), (551, 35600), (580, 33820), (712, 27550), (725, 27056), (760, 25810), (890, 22040), (950, 20648), (1102, 17800), (1160, 16910), (1424, 13775), (1450, 13528), (1520, 12905), (1691, 11600), (1780, 11020), (1900, 10324), (2204, 8900), (2225, 8816), (2320, 8455), (2581, 7600), (2755, 7120), (2900, 6764), (3382, 5800), (3560, 5510), (3800, 5162), (4408, 4450)]