30972140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 36523540

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 212, 244, 265, 305, 479, 530, 610, 958, 1060, 1220, 1916, 2395, 3233, 4790, 6466, 9580, 12932, 16165, 25387, 29219, 32330, 50774, 58438, 64660, 101548, 116876, 126935, 146095, 253870, 292190, 507740, 584380, 1548607, 3097214, 6194428, 7743035, 15486070, 30972140]

約数ペア:

[(1, 30972140), (2, 15486070), (4, 7743035), (5, 6194428), (10, 3097214), (20, 1548607), (53, 584380), (61, 507740), (106, 292190), (122, 253870), (212, 146095), (244, 126935), (265, 116876), (305, 101548), (479, 64660), (530, 58438), (610, 50774), (958, 32330), (1060, 29219), (1220, 25387), (1916, 16165), (2395, 12932), (3233, 9580), (4790, 6466)]