2011723750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 80

約数和(自身を含む): 3967729920

約数和(自身を除く): 1956006170

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 167, 230, 250, 334, 419, 575, 625, 835, 838, 1150, 1250, 1670, 2095, 2875, 3841, 4175, 4190, 5750, 7682, 8350, 9637, 10475, 14375, 19205, 19274, 20875, 20950, 28750, 38410, 41750, 48185, 52375, 69973, 96025, 96370, 104375, 104750, 139946, 192050, 208750, 240925, 261875, 349865, 480125, 481850, 523750, 699730, 960250, 1204625, 1609379, 1749325, 2400625, 2409250, 3218758, 3498650, 4801250, 6023125, 8046895, 8746625, 12046250, 16093790, 17493250, 40234475, 43733125, 80468950, 87466250, 201172375, 402344750, 1005861875, 2011723750]

約数ペア:

[(1, 2011723750), (2, 1005861875), (5, 402344750), (10, 201172375), (23, 87466250), (25, 80468950), (46, 43733125), (50, 40234475), (115, 17493250), (125, 16093790), (167, 12046250), (230, 8746625), (250, 8046895), (334, 6023125), (419, 4801250), (575, 3498650), (625, 3218758), (835, 2409250), (838, 2400625), (1150, 1749325), (1250, 1609379), (1670, 1204625), (2095, 960250), (2875, 699730), (3841, 523750), (4175, 481850), (4190, 480125), (5750, 349865), (7682, 261875), (8350, 240925), (9637, 208750), (10475, 192050), (14375, 139946), (19205, 104750), (19274, 104375), (20875, 96370), (20950, 96025), (28750, 69973), (38410, 52375), (41750, 48185)]