419773250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2437}}^1$

素因数の和:2520

約数の個数: 64

約数和(自身を含む): 862583904

約数和(自身を除く): 442810654

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 125, 130, 250, 265, 325, 530, 650, 689, 1325, 1378, 1625, 2437, 2650, 3250, 3445, 4874, 6625, 6890, 12185, 13250, 17225, 24370, 31681, 34450, 60925, 63362, 86125, 121850, 129161, 158405, 172250, 258322, 304625, 316810, 609250, 645805, 792025, 1291610, 1584050, 1679093, 3229025, 3358186, 3960125, 6458050, 7920250, 8395465, 16145125, 16790930, 32290250, 41977325, 83954650, 209886625, 419773250]

約数ペア:

[(1, 419773250), (2, 209886625), (5, 83954650), (10, 41977325), (13, 32290250), (25, 16790930), (26, 16145125), (50, 8395465), (53, 7920250), (65, 6458050), (106, 3960125), (125, 3358186), (130, 3229025), (250, 1679093), (265, 1584050), (325, 1291610), (530, 792025), (650, 645805), (689, 609250), (1325, 316810), (1378, 304625), (1625, 258322), (2437, 172250), (2650, 158405), (3250, 129161), (3445, 121850), (4874, 86125), (6625, 63362), (6890, 60925), (12185, 34450), (13250, 31681), (17225, 24370)]