138057220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^2$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 338433984

約数和(自身を除く): 200376764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 109, 140, 166, 218, 332, 415, 436, 545, 581, 763, 830, 1090, 1162, 1526, 1660, 2180, 2324, 2905, 3052, 3815, 5810, 7630, 9047, 11620, 11881, 15260, 18094, 23762, 36188, 45235, 47524, 59405, 63329, 83167, 90470, 118810, 126658, 166334, 180940, 237620, 253316, 316645, 332668, 415835, 633290, 831670, 986123, 1266580, 1663340, 1972246, 3944492, 4930615, 6902861, 9861230, 13805722, 19722460, 27611444, 34514305, 69028610, 138057220]

約数ペア:

[(1, 138057220), (2, 69028610), (4, 34514305), (5, 27611444), (7, 19722460), (10, 13805722), (14, 9861230), (20, 6902861), (28, 4930615), (35, 3944492), (70, 1972246), (83, 1663340), (109, 1266580), (140, 986123), (166, 831670), (218, 633290), (332, 415835), (415, 332668), (436, 316645), (545, 253316), (581, 237620), (763, 180940), (830, 166334), (1090, 126658), (1162, 118810), (1526, 90470), (1660, 83167), (2180, 63329), (2324, 59405), (2905, 47524), (3052, 45235), (3815, 36188), (5810, 23762), (7630, 18094), (9047, 15260), (11620, 11881)]