489740020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1951}}^1$

素因数の和:2141

約数の個数: 96

約数和(自身を含む): 1290756096

約数和(自身を除く): 801016076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 163, 220, 308, 326, 385, 652, 770, 815, 1141, 1540, 1630, 1793, 1951, 2282, 3260, 3586, 3902, 4564, 5705, 7172, 7804, 8965, 9755, 11410, 12551, 13657, 17930, 19510, 21461, 22820, 25102, 27314, 35860, 39020, 42922, 50204, 54628, 62755, 68285, 85844, 107305, 125510, 136570, 150227, 214610, 251020, 273140, 300454, 318013, 429220, 600908, 636026, 751135, 1272052, 1502270, 1590065, 2226091, 3004540, 3180130, 3498143, 4452182, 6360260, 6996286, 8904364, 11130455, 13992572, 17490715, 22260910, 24487001, 34981430, 44521820, 48974002, 69962860, 97948004, 122435005, 244870010, 489740020]

約数ペア:

[(1, 489740020), (2, 244870010), (4, 122435005), (5, 97948004), (7, 69962860), (10, 48974002), (11, 44521820), (14, 34981430), (20, 24487001), (22, 22260910), (28, 17490715), (35, 13992572), (44, 11130455), (55, 8904364), (70, 6996286), (77, 6360260), (110, 4452182), (140, 3498143), (154, 3180130), (163, 3004540), (220, 2226091), (308, 1590065), (326, 1502270), (385, 1272052), (652, 751135), (770, 636026), (815, 600908), (1141, 429220), (1540, 318013), (1630, 300454), (1793, 273140), (1951, 251020), (2282, 214610), (3260, 150227), (3586, 136570), (3902, 125510), (4564, 107305), (5705, 85844), (7172, 68285), (7804, 62755), (8965, 54628), (9755, 50204), (11410, 42922), (12551, 39020), (13657, 35860), (17930, 27314), (19510, 25102), (21461, 22820)]