494592020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 1193113152

約数和(自身を除く): 698521132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 43, 52, 65, 82, 83, 86, 130, 164, 166, 169, 172, 205, 215, 260, 332, 338, 410, 415, 430, 533, 559, 676, 820, 830, 845, 860, 1066, 1079, 1118, 1660, 1690, 1763, 2132, 2158, 2236, 2665, 2795, 3380, 3403, 3526, 3569, 4316, 5330, 5395, 5590, 6806, 6929, 7052, 7138, 7267, 8815, 10660, 10790, 11180, 13612, 13858, 14027, 14276, 14534, 17015, 17630, 17845, 21580, 22919, 27716, 28054, 29068, 34030, 34645, 35260, 35690, 36335, 44239, 45838, 46397, 56108, 68060, 69290, 70135, 71380, 72670, 88478, 91676, 92794, 114595, 138580, 140270, 145340, 146329, 176956, 185588, 221195, 229190, 231985, 280540, 292658, 297947, 442390, 458380, 463970, 575107, 585316, 595894, 603161, 731645, 884780, 927940, 1150214, 1191788, 1206322, 1463290, 1489735, 1902277, 2300428, 2412644, 2875535, 2926580, 2979470, 3015805, 3804554, 5751070, 5958940, 6031610, 7609108, 9511385, 11502140, 12063220, 19022770, 24729601, 38045540, 49459202, 98918404, 123648005, 247296010, 494592020]

約数ペア:

[(1, 494592020), (2, 247296010), (4, 123648005), (5, 98918404), (10, 49459202), (13, 38045540), (20, 24729601), (26, 19022770), (41, 12063220), (43, 11502140), (52, 9511385), (65, 7609108), (82, 6031610), (83, 5958940), (86, 5751070), (130, 3804554), (164, 3015805), (166, 2979470), (169, 2926580), (172, 2875535), (205, 2412644), (215, 2300428), (260, 1902277), (332, 1489735), (338, 1463290), (410, 1206322), (415, 1191788), (430, 1150214), (533, 927940), (559, 884780), (676, 731645), (820, 603161), (830, 595894), (845, 585316), (860, 575107), (1066, 463970), (1079, 458380), (1118, 442390), (1660, 297947), (1690, 292658), (1763, 280540), (2132, 231985), (2158, 229190), (2236, 221195), (2665, 185588), (2795, 176956), (3380, 146329), (3403, 145340), (3526, 140270), (3569, 138580), (4316, 114595), (5330, 92794), (5395, 91676), (5590, 88478), (6806, 72670), (6929, 71380), (7052, 70135), (7138, 69290), (7267, 68060), (8815, 56108), (10660, 46397), (10790, 45838), (11180, 44239), (13612, 36335), (13858, 35690), (14027, 35260), (14276, 34645), (14534, 34030), (17015, 29068), (17630, 28054), (17845, 27716), (21580, 22919)]