397438020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{45061}}^1$

素因数の和:45090

約数の個数: 108

約数和(自身を含む): 1402419564

約数和(自身を除く): 1004981544

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 45061, 90122, 135183, 180244, 225305, 270366, 315427, 405549, 450610, 540732, 630854, 675915, 811098, 901220, 946281, 1261708, 1351830, 1577135, 1622196, 1892562, 2027745, 2207989, 2703660, 2838843, 3154270, 3785124, 4055490, 4415978, 4731405, 5677686, 6308540, 6623967, 8110980, 8831956, 9462810, 11039945, 11355372, 13247934, 14194215, 18925620, 19871901, 22079890, 26495868, 28388430, 33119835, 39743802, 44159780, 56776860, 66239670, 79487604, 99359505, 132479340, 198719010, 397438020]

約数ペア:

[(1, 397438020), (2, 198719010), (3, 132479340), (4, 99359505), (5, 79487604), (6, 66239670), (7, 56776860), (9, 44159780), (10, 39743802), (12, 33119835), (14, 28388430), (15, 26495868), (18, 22079890), (20, 19871901), (21, 18925620), (28, 14194215), (30, 13247934), (35, 11355372), (36, 11039945), (42, 9462810), (45, 8831956), (49, 8110980), (60, 6623967), (63, 6308540), (70, 5677686), (84, 4731405), (90, 4415978), (98, 4055490), (105, 3785124), (126, 3154270), (140, 2838843), (147, 2703660), (180, 2207989), (196, 2027745), (210, 1892562), (245, 1622196), (252, 1577135), (294, 1351830), (315, 1261708), (420, 946281), (441, 901220), (490, 811098), (588, 675915), (630, 630854), (735, 540732), (882, 450610), (980, 405549), (1260, 315427), (1470, 270366), (1764, 225305), (2205, 180244), (2940, 135183), (4410, 90122), (8820, 45061)]