209970400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15439}}^1$

素因数の和:15476

約数の個数: 72

約数和(自身を含む): 542777760

約数和(自身を除く): 332807360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1700, 2720, 3400, 6800, 13600, 15439, 30878, 61756, 77195, 123512, 154390, 247024, 262463, 308780, 385975, 494048, 524926, 617560, 771950, 1049852, 1235120, 1312315, 1543900, 2099704, 2470240, 2624630, 3087800, 4199408, 5249260, 6175600, 6561575, 8398816, 10498520, 12351200, 13123150, 20997040, 26246300, 41994080, 52492600, 104985200, 209970400]

約数ペア:

[(1, 209970400), (2, 104985200), (4, 52492600), (5, 41994080), (8, 26246300), (10, 20997040), (16, 13123150), (17, 12351200), (20, 10498520), (25, 8398816), (32, 6561575), (34, 6175600), (40, 5249260), (50, 4199408), (68, 3087800), (80, 2624630), (85, 2470240), (100, 2099704), (136, 1543900), (160, 1312315), (170, 1235120), (200, 1049852), (272, 771950), (340, 617560), (400, 524926), (425, 494048), (544, 385975), (680, 308780), (800, 262463), (850, 247024), (1360, 154390), (1700, 123512), (2720, 77195), (3400, 61756), (6800, 30878), (13600, 15439)]