2108594540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{426841}}^1$

素因数の和:426882

約数の個数: 48

約数和(自身を含む): 5019661920

約数和(自身を除く): 2911067380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 426841, 853682, 1707364, 2134205, 4268410, 5548933, 8109979, 8536820, 11097866, 16219958, 22195732, 27744665, 32439916, 40549895, 55489330, 81099790, 105429727, 110978660, 162199580, 210859454, 421718908, 527148635, 1054297270, 2108594540]

約数ペア:

[(1, 2108594540), (2, 1054297270), (4, 527148635), (5, 421718908), (10, 210859454), (13, 162199580), (19, 110978660), (20, 105429727), (26, 81099790), (38, 55489330), (52, 40549895), (65, 32439916), (76, 27744665), (95, 22195732), (130, 16219958), (190, 11097866), (247, 8536820), (260, 8109979), (380, 5548933), (494, 4268410), (988, 2134205), (1235, 1707364), (2470, 853682), (4940, 426841)]