811985140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{36217}}^1$

素因数の和:36304

約数の個数: 48

約数和(自身を含む): 1825387200

約数和(自身を除く): 1013402060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420, 36217, 72434, 144868, 181085, 362170, 688123, 724340, 1376246, 2136803, 2752492, 3440615, 4273606, 6881230, 8547212, 10684015, 13762460, 21368030, 40599257, 42736060, 81198514, 162397028, 202996285, 405992570, 811985140]

約数ペア:

[(1, 811985140), (2, 405992570), (4, 202996285), (5, 162397028), (10, 81198514), (19, 42736060), (20, 40599257), (38, 21368030), (59, 13762460), (76, 10684015), (95, 8547212), (118, 6881230), (190, 4273606), (236, 3440615), (295, 2752492), (380, 2136803), (590, 1376246), (1121, 724340), (1180, 688123), (2242, 362170), (4484, 181085), (5605, 144868), (11210, 72434), (22420, 36217)]