1907888920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2459}}^1$

素因数の和:2657

約数の個数: 128

約数和(自身を含む): 5228582400

約数和(自身を除く): 3320693480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 163, 170, 238, 280, 326, 340, 476, 595, 652, 680, 815, 952, 1141, 1190, 1304, 1630, 2282, 2380, 2459, 2771, 3260, 4564, 4760, 4918, 5542, 5705, 6520, 9128, 9836, 11084, 11410, 12295, 13855, 17213, 19397, 19672, 22168, 22820, 24590, 27710, 34426, 38794, 41803, 45640, 49180, 55420, 68852, 77588, 83606, 86065, 96985, 98360, 110840, 137704, 155176, 167212, 172130, 193970, 209015, 292621, 334424, 344260, 387940, 400817, 418030, 585242, 688520, 775880, 801634, 836060, 1170484, 1463105, 1603268, 1672120, 2004085, 2340968, 2805719, 2926210, 3206536, 4008170, 5611438, 5852420, 6813889, 8016340, 11222876, 11704840, 13627778, 14028595, 16032680, 22445752, 27255556, 28057190, 34069445, 47697223, 54511112, 56114380, 68138890, 95394446, 112228760, 136277780, 190788892, 238486115, 272555560, 381577784, 476972230, 953944460, 1907888920]

約数ペア:

[(1, 1907888920), (2, 953944460), (4, 476972230), (5, 381577784), (7, 272555560), (8, 238486115), (10, 190788892), (14, 136277780), (17, 112228760), (20, 95394446), (28, 68138890), (34, 56114380), (35, 54511112), (40, 47697223), (56, 34069445), (68, 28057190), (70, 27255556), (85, 22445752), (119, 16032680), (136, 14028595), (140, 13627778), (163, 11704840), (170, 11222876), (238, 8016340), (280, 6813889), (326, 5852420), (340, 5611438), (476, 4008170), (595, 3206536), (652, 2926210), (680, 2805719), (815, 2340968), (952, 2004085), (1141, 1672120), (1190, 1603268), (1304, 1463105), (1630, 1170484), (2282, 836060), (2380, 801634), (2459, 775880), (2771, 688520), (3260, 585242), (4564, 418030), (4760, 400817), (4918, 387940), (5542, 344260), (5705, 334424), (6520, 292621), (9128, 209015), (9836, 193970), (11084, 172130), (11410, 167212), (12295, 155176), (13855, 137704), (17213, 110840), (19397, 98360), (19672, 96985), (22168, 86065), (22820, 83606), (24590, 77588), (27710, 68852), (34426, 55420), (38794, 49180), (41803, 45640)]