2149884100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7621}}^1$

素因数の和:7686

約数の個数: 144

約数和(自身を含む): 5927842816

約数和(自身を除く): 3777958716

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 310, 325, 350, 364, 403, 434, 455, 620, 650, 700, 775, 806, 868, 910, 1085, 1300, 1550, 1612, 1820, 2015, 2170, 2275, 2821, 3100, 4030, 4340, 4550, 5425, 5642, 7621, 8060, 9100, 10075, 10850, 11284, 14105, 15242, 20150, 21700, 28210, 30484, 38105, 40300, 53347, 56420, 70525, 76210, 99073, 106694, 141050, 152420, 190525, 198146, 213388, 236251, 266735, 282100, 381050, 396292, 472502, 495365, 533470, 693511, 762100, 945004, 990730, 1066940, 1181255, 1333675, 1387022, 1653757, 1981460, 2362510, 2476825, 2667350, 2774044, 3071263, 3307514, 3467555, 4725020, 4953650, 5334700, 5906275, 6142526, 6615028, 6935110, 8268785, 9907300, 11812550, 12285052, 13870220, 15356315, 16537570, 17337775, 21498841, 23625100, 30712630, 33075140, 34675550, 41343925, 42997682, 61425260, 69351100, 76781575, 82687850, 85995364, 107494205, 153563150, 165375700, 214988410, 307126300, 429976820, 537471025, 1074942050, 2149884100]

約数ペア:

[(1, 2149884100), (2, 1074942050), (4, 537471025), (5, 429976820), (7, 307126300), (10, 214988410), (13, 165375700), (14, 153563150), (20, 107494205), (25, 85995364), (26, 82687850), (28, 76781575), (31, 69351100), (35, 61425260), (50, 42997682), (52, 41343925), (62, 34675550), (65, 33075140), (70, 30712630), (91, 23625100), (100, 21498841), (124, 17337775), (130, 16537570), (140, 15356315), (155, 13870220), (175, 12285052), (182, 11812550), (217, 9907300), (260, 8268785), (310, 6935110), (325, 6615028), (350, 6142526), (364, 5906275), (403, 5334700), (434, 4953650), (455, 4725020), (620, 3467555), (650, 3307514), (700, 3071263), (775, 2774044), (806, 2667350), (868, 2476825), (910, 2362510), (1085, 1981460), (1300, 1653757), (1550, 1387022), (1612, 1333675), (1820, 1181255), (2015, 1066940), (2170, 990730), (2275, 945004), (2821, 762100), (3100, 693511), (4030, 533470), (4340, 495365), (4550, 472502), (5425, 396292), (5642, 381050), (7621, 282100), (8060, 266735), (9100, 236251), (10075, 213388), (10850, 198146), (11284, 190525), (14105, 152420), (15242, 141050), (20150, 106694), (21700, 99073), (28210, 76210), (30484, 70525), (38105, 56420), (40300, 53347)]