308701900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2861}}^1$

素因数の和:2971

約数の個数: 72

約数和(自身を含む): 730359504

約数和(自身を除く): 421657604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 260, 325, 332, 415, 650, 830, 1079, 1300, 1660, 2075, 2158, 2861, 4150, 4316, 5395, 5722, 8300, 10790, 11444, 14305, 21580, 26975, 28610, 37193, 53950, 57220, 71525, 74386, 107900, 143050, 148772, 185965, 237463, 286100, 371930, 474926, 743860, 929825, 949852, 1187315, 1859650, 2374630, 3087019, 3719300, 4749260, 5936575, 6174038, 11873150, 12348076, 15435095, 23746300, 30870190, 61740380, 77175475, 154350950, 308701900]

約数ペア:

[(1, 308701900), (2, 154350950), (4, 77175475), (5, 61740380), (10, 30870190), (13, 23746300), (20, 15435095), (25, 12348076), (26, 11873150), (50, 6174038), (52, 5936575), (65, 4749260), (83, 3719300), (100, 3087019), (130, 2374630), (166, 1859650), (260, 1187315), (325, 949852), (332, 929825), (415, 743860), (650, 474926), (830, 371930), (1079, 286100), (1300, 237463), (1660, 185965), (2075, 148772), (2158, 143050), (2861, 107900), (4150, 74386), (4316, 71525), (5395, 57220), (5722, 53950), (8300, 37193), (10790, 28610), (11444, 26975), (14305, 21580)]