30204700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 68901840

約数和(自身を除く): 38697140

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 53, 82, 100, 106, 139, 164, 205, 212, 265, 278, 410, 530, 556, 695, 820, 1025, 1060, 1325, 1390, 2050, 2173, 2650, 2780, 3475, 4100, 4346, 5300, 5699, 6950, 7367, 8692, 10865, 11398, 13900, 14734, 21730, 22796, 28495, 29468, 36835, 43460, 54325, 56990, 73670, 108650, 113980, 142475, 147340, 184175, 217300, 284950, 302047, 368350, 569900, 604094, 736700, 1208188, 1510235, 3020470, 6040940, 7551175, 15102350, 30204700]

約数ペア:

[(1, 30204700), (2, 15102350), (4, 7551175), (5, 6040940), (10, 3020470), (20, 1510235), (25, 1208188), (41, 736700), (50, 604094), (53, 569900), (82, 368350), (100, 302047), (106, 284950), (139, 217300), (164, 184175), (205, 147340), (212, 142475), (265, 113980), (278, 108650), (410, 73670), (530, 56990), (556, 54325), (695, 43460), (820, 36835), (1025, 29468), (1060, 28495), (1325, 22796), (1390, 21730), (2050, 14734), (2173, 13900), (2650, 11398), (2780, 10865), (3475, 8692), (4100, 7367), (4346, 6950), (5300, 5699)]