18243400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 49371840

約数和(自身を除く): 31128440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 83, 100, 140, 157, 166, 175, 200, 280, 314, 332, 350, 415, 581, 628, 664, 700, 785, 830, 1099, 1162, 1256, 1400, 1570, 1660, 2075, 2198, 2324, 2905, 3140, 3320, 3925, 4150, 4396, 4648, 5495, 5810, 6280, 7850, 8300, 8792, 10990, 11620, 13031, 14525, 15700, 16600, 21980, 23240, 26062, 27475, 29050, 31400, 43960, 52124, 54950, 58100, 65155, 91217, 104248, 109900, 116200, 130310, 182434, 219800, 260620, 325775, 364868, 456085, 521240, 651550, 729736, 912170, 1303100, 1824340, 2280425, 2606200, 3648680, 4560850, 9121700, 18243400]

約数ペア:

[(1, 18243400), (2, 9121700), (4, 4560850), (5, 3648680), (7, 2606200), (8, 2280425), (10, 1824340), (14, 1303100), (20, 912170), (25, 729736), (28, 651550), (35, 521240), (40, 456085), (50, 364868), (56, 325775), (70, 260620), (83, 219800), (100, 182434), (140, 130310), (157, 116200), (166, 109900), (175, 104248), (200, 91217), (280, 65155), (314, 58100), (332, 54950), (350, 52124), (415, 43960), (581, 31400), (628, 29050), (664, 27475), (700, 26062), (785, 23240), (830, 21980), (1099, 16600), (1162, 15700), (1256, 14525), (1400, 13031), (1570, 11620), (1660, 10990), (2075, 8792), (2198, 8300), (2324, 7850), (2905, 6280), (3140, 5810), (3320, 5495), (3925, 4648), (4150, 4396)]