899476020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25111}}^1$

素因数の和:25325

約数の個数: 72

約数和(自身を含む): 2742230400

約数和(自身を除く): 1842754380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 17910, 25111, 35820, 50222, 75333, 100444, 125555, 150666, 225999, 251110, 301332, 376665, 451998, 502220, 753330, 903996, 1129995, 1506660, 2259990, 4519980, 4997089, 9994178, 14991267, 19988356, 24985445, 29982534, 44973801, 49970890, 59965068, 74956335, 89947602, 99941780, 149912670, 179895204, 224869005, 299825340, 449738010, 899476020]

約数ペア:

[(1, 899476020), (2, 449738010), (3, 299825340), (4, 224869005), (5, 179895204), (6, 149912670), (9, 99941780), (10, 89947602), (12, 74956335), (15, 59965068), (18, 49970890), (20, 44973801), (30, 29982534), (36, 24985445), (45, 19988356), (60, 14991267), (90, 9994178), (180, 4997089), (199, 4519980), (398, 2259990), (597, 1506660), (796, 1129995), (995, 903996), (1194, 753330), (1791, 502220), (1990, 451998), (2388, 376665), (2985, 301332), (3582, 251110), (3980, 225999), (5970, 150666), (7164, 125555), (8955, 100444), (11940, 75333), (17910, 50222), (25111, 35820)]