445825880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 1105920000

約数和(自身を除く): 660094120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 127, 149, 152, 155, 190, 248, 254, 298, 310, 380, 508, 589, 596, 620, 635, 745, 760, 1016, 1178, 1192, 1240, 1270, 1490, 2356, 2413, 2540, 2831, 2945, 2980, 3937, 4619, 4712, 4826, 5080, 5662, 5890, 5960, 7874, 9238, 9652, 11324, 11780, 12065, 14155, 15748, 18476, 18923, 19304, 19685, 22648, 23095, 23560, 24130, 28310, 31496, 36952, 37846, 39370, 46190, 48260, 56620, 74803, 75692, 78740, 87761, 92380, 94615, 96520, 113240, 149606, 151384, 157480, 175522, 184760, 189230, 299212, 351044, 359537, 374015, 378460, 438805, 586613, 598424, 702088, 719074, 748030, 756920, 877610, 1173226, 1438148, 1496060, 1755220, 1797685, 2346452, 2876296, 2933065, 2992120, 3510440, 3595370, 4692904, 5866130, 7190740, 11145647, 11732260, 14381480, 22291294, 23464520, 44582588, 55728235, 89165176, 111456470, 222912940, 445825880]

約数ペア:

[(1, 445825880), (2, 222912940), (4, 111456470), (5, 89165176), (8, 55728235), (10, 44582588), (19, 23464520), (20, 22291294), (31, 14381480), (38, 11732260), (40, 11145647), (62, 7190740), (76, 5866130), (95, 4692904), (124, 3595370), (127, 3510440), (149, 2992120), (152, 2933065), (155, 2876296), (190, 2346452), (248, 1797685), (254, 1755220), (298, 1496060), (310, 1438148), (380, 1173226), (508, 877610), (589, 756920), (596, 748030), (620, 719074), (635, 702088), (745, 598424), (760, 586613), (1016, 438805), (1178, 378460), (1192, 374015), (1240, 359537), (1270, 351044), (1490, 299212), (2356, 189230), (2413, 184760), (2540, 175522), (2831, 157480), (2945, 151384), (2980, 149606), (3937, 113240), (4619, 96520), (4712, 94615), (4826, 92380), (5080, 87761), (5662, 78740), (5890, 75692), (5960, 74803), (7874, 56620), (9238, 48260), (9652, 46190), (11324, 39370), (11780, 37846), (12065, 36952), (14155, 31496), (15748, 28310), (18476, 24130), (18923, 23560), (19304, 23095), (19685, 22648)]