78173600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 207799200

約数和(自身を除く): 129625600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 37, 38, 40, 50, 74, 76, 80, 95, 100, 139, 148, 152, 160, 185, 190, 200, 278, 296, 304, 370, 380, 400, 475, 556, 592, 608, 695, 703, 740, 760, 800, 925, 950, 1112, 1184, 1390, 1406, 1480, 1520, 1850, 1900, 2224, 2641, 2780, 2812, 2960, 3040, 3475, 3515, 3700, 3800, 4448, 5143, 5282, 5560, 5624, 5920, 6950, 7030, 7400, 7600, 10286, 10564, 11120, 11248, 13205, 13900, 14060, 14800, 15200, 17575, 20572, 21128, 22240, 22496, 25715, 26410, 27800, 28120, 29600, 35150, 41144, 42256, 51430, 52820, 55600, 56240, 66025, 70300, 82288, 84512, 97717, 102860, 105640, 111200, 112480, 128575, 132050, 140600, 164576, 195434, 205720, 211280, 257150, 264100, 281200, 390868, 411440, 422560, 488585, 514300, 528200, 562400, 781736, 822880, 977170, 1028600, 1056400, 1563472, 1954340, 2057200, 2112800, 2442925, 3126944, 3908680, 4114400, 4885850, 7817360, 9771700, 15634720, 19543400, 39086800, 78173600]

約数ペア:

[(1, 78173600), (2, 39086800), (4, 19543400), (5, 15634720), (8, 9771700), (10, 7817360), (16, 4885850), (19, 4114400), (20, 3908680), (25, 3126944), (32, 2442925), (37, 2112800), (38, 2057200), (40, 1954340), (50, 1563472), (74, 1056400), (76, 1028600), (80, 977170), (95, 822880), (100, 781736), (139, 562400), (148, 528200), (152, 514300), (160, 488585), (185, 422560), (190, 411440), (200, 390868), (278, 281200), (296, 264100), (304, 257150), (370, 211280), (380, 205720), (400, 195434), (475, 164576), (556, 140600), (592, 132050), (608, 128575), (695, 112480), (703, 111200), (740, 105640), (760, 102860), (800, 97717), (925, 84512), (950, 82288), (1112, 70300), (1184, 66025), (1390, 56240), (1406, 55600), (1480, 52820), (1520, 51430), (1850, 42256), (1900, 41144), (2224, 35150), (2641, 29600), (2780, 28120), (2812, 27800), (2960, 26410), (3040, 25715), (3475, 22496), (3515, 22240), (3700, 21128), (3800, 20572), (4448, 17575), (5143, 15200), (5282, 14800), (5560, 14060), (5624, 13900), (5920, 13205), (6950, 11248), (7030, 11120), (7400, 10564), (7600, 10286)]