278324940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{11071}}^1$

素因数の和:11502

約数の個数: 48

約数和(自身を含む): 781240320

約数和(自身を除く): 502915380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 838, 1257, 1676, 2095, 2514, 4190, 5028, 6285, 8380, 11071, 12570, 22142, 25140, 33213, 44284, 55355, 66426, 110710, 132852, 166065, 221420, 332130, 664260, 4638749, 9277498, 13916247, 18554996, 23193745, 27832494, 46387490, 55664988, 69581235, 92774980, 139162470, 278324940]

約数ペア:

[(1, 278324940), (2, 139162470), (3, 92774980), (4, 69581235), (5, 55664988), (6, 46387490), (10, 27832494), (12, 23193745), (15, 18554996), (20, 13916247), (30, 9277498), (60, 4638749), (419, 664260), (838, 332130), (1257, 221420), (1676, 166065), (2095, 132852), (2514, 110710), (4190, 66426), (5028, 55355), (6285, 44284), (8380, 33213), (11071, 25140), (12570, 22142)]