28400220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 91232064

約数和(自身を除く): 62831844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 373, 405, 423, 470, 540, 564, 705, 746, 810, 846, 940, 1119, 1269, 1410, 1492, 1620, 1692, 1865, 2115, 2238, 2538, 2820, 3357, 3730, 3807, 4230, 4476, 5076, 5595, 6345, 6714, 7460, 7614, 8460, 10071, 11190, 12690, 13428, 15228, 16785, 17531, 19035, 20142, 22380, 25380, 30213, 33570, 35062, 38070, 40284, 50355, 52593, 60426, 67140, 70124, 76140, 87655, 100710, 105186, 120852, 151065, 157779, 175310, 201420, 210372, 262965, 302130, 315558, 350620, 473337, 525930, 604260, 631116, 788895, 946674, 1051860, 1420011, 1577790, 1893348, 2366685, 2840022, 3155580, 4733370, 5680044, 7100055, 9466740, 14200110, 28400220]

約数ペア:

[(1, 28400220), (2, 14200110), (3, 9466740), (4, 7100055), (5, 5680044), (6, 4733370), (9, 3155580), (10, 2840022), (12, 2366685), (15, 1893348), (18, 1577790), (20, 1420011), (27, 1051860), (30, 946674), (36, 788895), (45, 631116), (47, 604260), (54, 525930), (60, 473337), (81, 350620), (90, 315558), (94, 302130), (108, 262965), (135, 210372), (141, 201420), (162, 175310), (180, 157779), (188, 151065), (235, 120852), (270, 105186), (282, 100710), (324, 87655), (373, 76140), (405, 70124), (423, 67140), (470, 60426), (540, 52593), (564, 50355), (705, 40284), (746, 38070), (810, 35062), (846, 33570), (940, 30213), (1119, 25380), (1269, 22380), (1410, 20142), (1492, 19035), (1620, 17531), (1692, 16785), (1865, 15228), (2115, 13428), (2238, 12690), (2538, 11190), (2820, 10071), (3357, 8460), (3730, 7614), (3807, 7460), (4230, 6714), (4476, 6345), (5076, 5595)]