203598980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18211}}^1$

素因数の和:18276

約数の個数: 48

約数和(自身を含む): 471180864

約数和(自身を除く): 267581884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 18211, 36422, 72844, 91055, 182110, 236743, 364220, 473486, 783073, 946972, 1183715, 1566146, 2367430, 3132292, 3915365, 4734860, 7830730, 10179949, 15661460, 20359898, 40719796, 50899745, 101799490, 203598980]

約数ペア:

[(1, 203598980), (2, 101799490), (4, 50899745), (5, 40719796), (10, 20359898), (13, 15661460), (20, 10179949), (26, 7830730), (43, 4734860), (52, 3915365), (65, 3132292), (86, 2367430), (130, 1566146), (172, 1183715), (215, 946972), (260, 783073), (430, 473486), (559, 364220), (860, 236743), (1118, 182110), (2236, 91055), (2795, 72844), (5590, 36422), (11180, 18211)]