220199200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 144

約数和(自身を含む): 598461696

約数和(自身を除く): 378262496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 325, 400, 403, 416, 496, 520, 620, 650, 683, 775, 800, 806, 992, 1040, 1240, 1300, 1366, 1550, 1612, 2015, 2080, 2480, 2600, 2732, 3100, 3224, 3415, 4030, 4960, 5200, 5464, 6200, 6448, 6830, 8060, 8879, 10075, 10400, 10928, 12400, 12896, 13660, 16120, 17075, 17758, 20150, 21173, 21856, 24800, 27320, 32240, 34150, 35516, 40300, 42346, 44395, 54640, 64480, 68300, 71032, 80600, 84692, 88790, 105865, 109280, 136600, 142064, 161200, 169384, 177580, 211730, 221975, 273200, 275249, 284128, 322400, 338768, 355160, 423460, 443950, 529325, 546400, 550498, 677536, 710320, 846920, 887900, 1058650, 1100996, 1376245, 1420640, 1693840, 1775800, 2117300, 2201992, 2752490, 3387680, 3551600, 4234600, 4403984, 5504980, 6881225, 7103200, 8469200, 8807968, 11009960, 13762450, 16938400, 22019920, 27524900, 44039840, 55049800, 110099600, 220199200]

約数ペア:

[(1, 220199200), (2, 110099600), (4, 55049800), (5, 44039840), (8, 27524900), (10, 22019920), (13, 16938400), (16, 13762450), (20, 11009960), (25, 8807968), (26, 8469200), (31, 7103200), (32, 6881225), (40, 5504980), (50, 4403984), (52, 4234600), (62, 3551600), (65, 3387680), (80, 2752490), (100, 2201992), (104, 2117300), (124, 1775800), (130, 1693840), (155, 1420640), (160, 1376245), (200, 1100996), (208, 1058650), (248, 887900), (260, 846920), (310, 710320), (325, 677536), (400, 550498), (403, 546400), (416, 529325), (496, 443950), (520, 423460), (620, 355160), (650, 338768), (683, 322400), (775, 284128), (800, 275249), (806, 273200), (992, 221975), (1040, 211730), (1240, 177580), (1300, 169384), (1366, 161200), (1550, 142064), (1612, 136600), (2015, 109280), (2080, 105865), (2480, 88790), (2600, 84692), (2732, 80600), (3100, 71032), (3224, 68300), (3415, 64480), (4030, 54640), (4960, 44395), (5200, 42346), (5464, 40300), (6200, 35516), (6448, 34150), (6830, 32240), (8060, 27320), (8879, 24800), (10075, 21856), (10400, 21173), (10928, 20150), (12400, 17758), (12896, 17075), (13660, 16120)]