26939000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 71884800

約数和(自身を除く): 44945800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 79, 88, 100, 110, 124, 125, 155, 158, 200, 220, 248, 250, 275, 310, 316, 341, 395, 440, 500, 550, 620, 632, 682, 775, 790, 869, 1000, 1100, 1240, 1364, 1375, 1550, 1580, 1705, 1738, 1975, 2200, 2449, 2728, 2750, 3100, 3160, 3410, 3476, 3875, 3950, 4345, 4898, 5500, 6200, 6820, 6952, 7750, 7900, 8525, 8690, 9796, 9875, 11000, 12245, 13640, 15500, 15800, 17050, 17380, 19592, 19750, 21725, 24490, 26939, 31000, 34100, 34760, 39500, 42625, 43450, 48980, 53878, 61225, 68200, 79000, 85250, 86900, 97960, 107756, 108625, 122450, 134695, 170500, 173800, 215512, 217250, 244900, 269390, 306125, 341000, 434500, 489800, 538780, 612250, 673475, 869000, 1077560, 1224500, 1346950, 2449000, 2693900, 3367375, 5387800, 6734750, 13469500, 26939000]

約数ペア:

[(1, 26939000), (2, 13469500), (4, 6734750), (5, 5387800), (8, 3367375), (10, 2693900), (11, 2449000), (20, 1346950), (22, 1224500), (25, 1077560), (31, 869000), (40, 673475), (44, 612250), (50, 538780), (55, 489800), (62, 434500), (79, 341000), (88, 306125), (100, 269390), (110, 244900), (124, 217250), (125, 215512), (155, 173800), (158, 170500), (200, 134695), (220, 122450), (248, 108625), (250, 107756), (275, 97960), (310, 86900), (316, 85250), (341, 79000), (395, 68200), (440, 61225), (500, 53878), (550, 48980), (620, 43450), (632, 42625), (682, 39500), (775, 34760), (790, 34100), (869, 31000), (1000, 26939), (1100, 24490), (1240, 21725), (1364, 19750), (1375, 19592), (1550, 17380), (1580, 17050), (1705, 15800), (1738, 15500), (1975, 13640), (2200, 12245), (2449, 11000), (2728, 9875), (2750, 9796), (3100, 8690), (3160, 8525), (3410, 7900), (3476, 7750), (3875, 6952), (3950, 6820), (4345, 6200), (4898, 5500)]