286211840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7213}}^1$

素因数の和:7265

約数の個数: 72

約数和(自身を含む): 707779968

約数和(自身を除く): 421568128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7213, 7936, 9920, 14426, 19840, 28852, 36065, 39680, 57704, 72130, 115408, 144260, 223603, 230816, 288520, 447206, 461632, 577040, 894412, 923264, 1118015, 1154080, 1788824, 1846528, 2236030, 2308160, 3577648, 4472060, 4616320, 7155296, 8944120, 9232640, 14310592, 17888240, 28621184, 35776480, 57242368, 71552960, 143105920, 286211840]

約数ペア:

[(1, 286211840), (2, 143105920), (4, 71552960), (5, 57242368), (8, 35776480), (10, 28621184), (16, 17888240), (20, 14310592), (31, 9232640), (32, 8944120), (40, 7155296), (62, 4616320), (64, 4472060), (80, 3577648), (124, 2308160), (128, 2236030), (155, 1846528), (160, 1788824), (248, 1154080), (256, 1118015), (310, 923264), (320, 894412), (496, 577040), (620, 461632), (640, 447206), (992, 288520), (1240, 230816), (1280, 223603), (1984, 144260), (2480, 115408), (3968, 72130), (4960, 57704), (7213, 39680), (7936, 36065), (9920, 28852), (14426, 19840)]