1821445670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{65449}}^1$

素因数の和:65501

約数の個数: 48

約数和(自身を含む): 3760495200

約数和(自身を除く): 1939049530

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 5566, 13915, 27830, 65449, 130898, 327245, 654490, 719939, 1439878, 1505327, 3010654, 3599695, 7199390, 7526635, 7919329, 15053270, 15838658, 16558597, 33117194, 39596645, 79193290, 82792985, 165585970, 182144567, 364289134, 910722835, 1821445670]

約数ペア:

[(1, 1821445670), (2, 910722835), (5, 364289134), (10, 182144567), (11, 165585970), (22, 82792985), (23, 79193290), (46, 39596645), (55, 33117194), (110, 16558597), (115, 15838658), (121, 15053270), (230, 7919329), (242, 7526635), (253, 7199390), (506, 3599695), (605, 3010654), (1210, 1505327), (1265, 1439878), (2530, 719939), (2783, 654490), (5566, 327245), (13915, 130898), (27830, 65449)]