821639000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9029}}^1$

素因数の和:9070

約数の個数: 128

約数和(自身を含む): 2366582400

約数和(自身を除く): 1544943400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 350, 364, 455, 500, 520, 650, 700, 728, 875, 910, 1000, 1300, 1400, 1625, 1750, 1820, 2275, 2600, 3250, 3500, 3640, 4550, 6500, 7000, 9029, 9100, 11375, 13000, 18058, 18200, 22750, 36116, 45145, 45500, 63203, 72232, 90290, 91000, 117377, 126406, 180580, 225725, 234754, 252812, 316015, 361160, 451450, 469508, 505624, 586885, 632030, 821639, 902900, 939016, 1128625, 1173770, 1264060, 1580075, 1643278, 1805800, 2257250, 2347540, 2528120, 2934425, 3160150, 3286556, 4108195, 4514500, 4695080, 5868850, 6320300, 6573112, 7900375, 8216390, 9029000, 11737700, 12640600, 14672125, 15800750, 16432780, 20540975, 23475400, 29344250, 31601500, 32865560, 41081950, 58688500, 63203000, 82163900, 102704875, 117377000, 164327800, 205409750, 410819500, 821639000]

約数ペア:

[(1, 821639000), (2, 410819500), (4, 205409750), (5, 164327800), (7, 117377000), (8, 102704875), (10, 82163900), (13, 63203000), (14, 58688500), (20, 41081950), (25, 32865560), (26, 31601500), (28, 29344250), (35, 23475400), (40, 20540975), (50, 16432780), (52, 15800750), (56, 14672125), (65, 12640600), (70, 11737700), (91, 9029000), (100, 8216390), (104, 7900375), (125, 6573112), (130, 6320300), (140, 5868850), (175, 4695080), (182, 4514500), (200, 4108195), (250, 3286556), (260, 3160150), (280, 2934425), (325, 2528120), (350, 2347540), (364, 2257250), (455, 1805800), (500, 1643278), (520, 1580075), (650, 1264060), (700, 1173770), (728, 1128625), (875, 939016), (910, 902900), (1000, 821639), (1300, 632030), (1400, 586885), (1625, 505624), (1750, 469508), (1820, 451450), (2275, 361160), (2600, 316015), (3250, 252812), (3500, 234754), (3640, 225725), (4550, 180580), (6500, 126406), (7000, 117377), (9029, 91000), (9100, 90290), (11375, 72232), (13000, 63203), (18058, 45500), (18200, 45145), (22750, 36116)]