2214940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 5729472

約数和(自身を除く): 3514532

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1217, 1820, 2434, 4868, 6085, 8519, 12170, 15821, 17038, 24340, 31642, 34076, 42595, 63284, 79105, 85190, 110747, 158210, 170380, 221494, 316420, 442988, 553735, 1107470, 2214940]

約数ペア:

[(1, 2214940), (2, 1107470), (4, 553735), (5, 442988), (7, 316420), (10, 221494), (13, 170380), (14, 158210), (20, 110747), (26, 85190), (28, 79105), (35, 63284), (52, 42595), (65, 34076), (70, 31642), (91, 24340), (130, 17038), (140, 15821), (182, 12170), (260, 8519), (364, 6085), (455, 4868), (910, 2434), (1217, 1820)]