620340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{211}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 2030112

約数和(自身を除く): 1409772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 211, 245, 294, 420, 422, 490, 588, 633, 735, 844, 980, 1055, 1266, 1470, 1477, 2110, 2532, 2940, 2954, 3165, 4220, 4431, 5908, 6330, 7385, 8862, 10339, 12660, 14770, 17724, 20678, 22155, 29540, 31017, 41356, 44310, 51695, 62034, 88620, 103390, 124068, 155085, 206780, 310170, 620340]

約数ペア:

[(1, 620340), (2, 310170), (3, 206780), (4, 155085), (5, 124068), (6, 103390), (7, 88620), (10, 62034), (12, 51695), (14, 44310), (15, 41356), (20, 31017), (21, 29540), (28, 22155), (30, 20678), (35, 17724), (42, 14770), (49, 12660), (60, 10339), (70, 8862), (84, 7385), (98, 6330), (105, 5908), (140, 4431), (147, 4220), (196, 3165), (210, 2954), (211, 2940), (245, 2532), (294, 2110), (420, 1477), (422, 1470), (490, 1266), (588, 1055), (633, 980), (735, 844)]