18145400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 51975840

約数和(自身を除く): 33830440

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, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 997, 1300, 1400, 1820, 1994, 2275, 2600, 3640, 3988, 4550, 4985, 6979, 7976, 9100, 9970, 12961, 13958, 18200, 19940, 24925, 25922, 27916, 34895, 39880, 49850, 51844, 55832, 64805, 69790, 90727, 99700, 103688, 129610, 139580, 174475, 181454, 199400, 259220, 279160, 324025, 348950, 362908, 453635, 518440, 648050, 697900, 725816, 907270, 1296100, 1395800, 1814540, 2268175, 2592200, 3629080, 4536350, 9072700, 18145400]

約数ペア:

[(1, 18145400), (2, 9072700), (4, 4536350), (5, 3629080), (7, 2592200), (8, 2268175), (10, 1814540), (13, 1395800), (14, 1296100), (20, 907270), (25, 725816), (26, 697900), (28, 648050), (35, 518440), (40, 453635), (50, 362908), (52, 348950), (56, 324025), (65, 279160), (70, 259220), (91, 199400), (100, 181454), (104, 174475), (130, 139580), (140, 129610), (175, 103688), (182, 99700), (200, 90727), (260, 69790), (280, 64805), (325, 55832), (350, 51844), (364, 49850), (455, 39880), (520, 34895), (650, 27916), (700, 25922), (728, 24925), (910, 19940), (997, 18200), (1300, 13958), (1400, 12961), (1820, 9970), (1994, 9100), (2275, 7976), (2600, 6979), (3640, 4985), (3988, 4550)]