631769980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{80789}}^1$

素因数の和:80838

約数の個数: 48

約数和(自身を含む): 1465853760

約数和(自身を除く): 834083780

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 80789, 161578, 323156, 403945, 807890, 1373413, 1615780, 1858147, 2746826, 3716294, 5493652, 6867065, 7432588, 9290735, 13734130, 18581470, 27468260, 31588499, 37162940, 63176998, 126353996, 157942495, 315884990, 631769980]

約数ペア:

[(1, 631769980), (2, 315884990), (4, 157942495), (5, 126353996), (10, 63176998), (17, 37162940), (20, 31588499), (23, 27468260), (34, 18581470), (46, 13734130), (68, 9290735), (85, 7432588), (92, 6867065), (115, 5493652), (170, 3716294), (230, 2746826), (340, 1858147), (391, 1615780), (460, 1373413), (782, 807890), (1564, 403945), (1955, 323156), (3910, 161578), (7820, 80789)]