27732400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 72651600

約数和(自身を除く): 44919200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 41, 50, 76, 80, 82, 89, 95, 100, 152, 164, 178, 190, 200, 205, 304, 328, 356, 380, 400, 410, 445, 475, 656, 712, 760, 779, 820, 890, 950, 1025, 1424, 1520, 1558, 1640, 1691, 1780, 1900, 2050, 2225, 3116, 3280, 3382, 3560, 3649, 3800, 3895, 4100, 4450, 6232, 6764, 7120, 7298, 7600, 7790, 8200, 8455, 8900, 12464, 13528, 14596, 15580, 16400, 16910, 17800, 18245, 19475, 27056, 29192, 31160, 33820, 35600, 36490, 38950, 42275, 58384, 62320, 67640, 69331, 72980, 77900, 84550, 91225, 135280, 138662, 145960, 155800, 169100, 182450, 277324, 291920, 311600, 338200, 346655, 364900, 554648, 676400, 693310, 729800, 1109296, 1386620, 1459600, 1733275, 2773240, 3466550, 5546480, 6933100, 13866200, 27732400]

約数ペア:

[(1, 27732400), (2, 13866200), (4, 6933100), (5, 5546480), (8, 3466550), (10, 2773240), (16, 1733275), (19, 1459600), (20, 1386620), (25, 1109296), (38, 729800), (40, 693310), (41, 676400), (50, 554648), (76, 364900), (80, 346655), (82, 338200), (89, 311600), (95, 291920), (100, 277324), (152, 182450), (164, 169100), (178, 155800), (190, 145960), (200, 138662), (205, 135280), (304, 91225), (328, 84550), (356, 77900), (380, 72980), (400, 69331), (410, 67640), (445, 62320), (475, 58384), (656, 42275), (712, 38950), (760, 36490), (779, 35600), (820, 33820), (890, 31160), (950, 29192), (1025, 27056), (1424, 19475), (1520, 18245), (1558, 17800), (1640, 16910), (1691, 16400), (1780, 15580), (1900, 14596), (2050, 13528), (2225, 12464), (3116, 8900), (3280, 8455), (3382, 8200), (3560, 7790), (3649, 7600), (3800, 7298), (3895, 7120), (4100, 6764), (4450, 6232)]