191865180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245981}}^1$

素因数の和:246006

約数の個数: 48

約数和(自身を含む): 578549664

約数和(自身を除く): 386684484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 245981, 491962, 737943, 983924, 1229905, 1475886, 2459810, 2951772, 3197753, 3689715, 4919620, 6395506, 7379430, 9593259, 12791012, 14758860, 15988765, 19186518, 31977530, 38373036, 47966295, 63955060, 95932590, 191865180]

約数ペア:

[(1, 191865180), (2, 95932590), (3, 63955060), (4, 47966295), (5, 38373036), (6, 31977530), (10, 19186518), (12, 15988765), (13, 14758860), (15, 12791012), (20, 9593259), (26, 7379430), (30, 6395506), (39, 4919620), (52, 3689715), (60, 3197753), (65, 2951772), (78, 2459810), (130, 1475886), (156, 1229905), (195, 983924), (260, 737943), (390, 491962), (780, 245981)]