838803460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{20389}}^1$

素因数の和:20437

約数の個数: 72

約数和(自身を含む): 2050173720

約数和(自身を除く): 1211370260

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3740, 4114, 8228, 10285, 20389, 20570, 40778, 41140, 81556, 101945, 203890, 224279, 346613, 407780, 448558, 693226, 897116, 1121395, 1386452, 1733065, 2242790, 2467069, 3466130, 3812743, 4485580, 4934138, 6932260, 7625486, 9868276, 12335345, 15250972, 19063715, 24670690, 38127430, 41940173, 49341380, 76254860, 83880346, 167760692, 209700865, 419401730, 838803460]

約数ペア:

[(1, 838803460), (2, 419401730), (4, 209700865), (5, 167760692), (10, 83880346), (11, 76254860), (17, 49341380), (20, 41940173), (22, 38127430), (34, 24670690), (44, 19063715), (55, 15250972), (68, 12335345), (85, 9868276), (110, 7625486), (121, 6932260), (170, 4934138), (187, 4485580), (220, 3812743), (242, 3466130), (340, 2467069), (374, 2242790), (484, 1733065), (605, 1386452), (748, 1121395), (935, 897116), (1210, 693226), (1870, 448558), (2057, 407780), (2420, 346613), (3740, 224279), (4114, 203890), (8228, 101945), (10285, 81556), (20389, 41140), (20570, 40778)]