400594920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1933}}^1$

素因数の和:2115

約数の個数: 128

約数和(自身を含む): 1320071040

約数和(自身を除く): 919476120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 440, 471, 628, 660, 785, 942, 1256, 1320, 1570, 1727, 1884, 1933, 2355, 3140, 3454, 3768, 3866, 4710, 5181, 5799, 6280, 6908, 7732, 8635, 9420, 9665, 10362, 11598, 13816, 15464, 17270, 18840, 19330, 20724, 21263, 23196, 25905, 28995, 34540, 38660, 41448, 42526, 46392, 51810, 57990, 63789, 69080, 77320, 85052, 103620, 106315, 115980, 127578, 170104, 207240, 212630, 231960, 255156, 303481, 318945, 425260, 510312, 606962, 637890, 850520, 910443, 1213924, 1275780, 1517405, 1820886, 2427848, 2551560, 3034810, 3338291, 3641772, 4552215, 6069620, 6676582, 7283544, 9104430, 10014873, 12139240, 13353164, 16691455, 18208860, 20029746, 26706328, 33382910, 36417720, 40059492, 50074365, 66765820, 80118984, 100148730, 133531640, 200297460, 400594920]

約数ペア:

[(1, 400594920), (2, 200297460), (3, 133531640), (4, 100148730), (5, 80118984), (6, 66765820), (8, 50074365), (10, 40059492), (11, 36417720), (12, 33382910), (15, 26706328), (20, 20029746), (22, 18208860), (24, 16691455), (30, 13353164), (33, 12139240), (40, 10014873), (44, 9104430), (55, 7283544), (60, 6676582), (66, 6069620), (88, 4552215), (110, 3641772), (120, 3338291), (132, 3034810), (157, 2551560), (165, 2427848), (220, 1820886), (264, 1517405), (314, 1275780), (330, 1213924), (440, 910443), (471, 850520), (628, 637890), (660, 606962), (785, 510312), (942, 425260), (1256, 318945), (1320, 303481), (1570, 255156), (1727, 231960), (1884, 212630), (1933, 207240), (2355, 170104), (3140, 127578), (3454, 115980), (3768, 106315), (3866, 103620), (4710, 85052), (5181, 77320), (5799, 69080), (6280, 63789), (6908, 57990), (7732, 51810), (8635, 46392), (9420, 42526), (9665, 41448), (10362, 38660), (11598, 34540), (13816, 28995), (15464, 25905), (17270, 23196), (18840, 21263), (19330, 20724)]