28943880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34457}}^1$

素因数の和:34478

約数の個数: 64

約数和(自身を含む): 99239040

約数和(自身を除く): 70295160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34457, 68914, 103371, 137828, 172285, 206742, 241199, 275656, 344570, 413484, 482398, 516855, 689140, 723597, 826968, 964796, 1033710, 1205995, 1378280, 1447194, 1929592, 2067420, 2411990, 2894388, 3617985, 4134840, 4823980, 5788776, 7235970, 9647960, 14471940, 28943880]

約数ペア:

[(1, 28943880), (2, 14471940), (3, 9647960), (4, 7235970), (5, 5788776), (6, 4823980), (7, 4134840), (8, 3617985), (10, 2894388), (12, 2411990), (14, 2067420), (15, 1929592), (20, 1447194), (21, 1378280), (24, 1205995), (28, 1033710), (30, 964796), (35, 826968), (40, 723597), (42, 689140), (56, 516855), (60, 482398), (70, 413484), (84, 344570), (105, 275656), (120, 241199), (140, 206742), (168, 172285), (210, 137828), (280, 103371), (420, 68914), (840, 34457)]