407841890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 782825472

約数和(自身を除く): 374983582

約数列:

[1, 2, 5, 10, 31, 53, 62, 103, 106, 155, 206, 241, 265, 310, 482, 515, 530, 1030, 1205, 1643, 2410, 3193, 3286, 5459, 6386, 7471, 8215, 10918, 12773, 14942, 15965, 16430, 24823, 25546, 27295, 31930, 37355, 49646, 54590, 63865, 74710, 124115, 127730, 169229, 248230, 338458, 395963, 769513, 791926, 846145, 1315619, 1539026, 1692290, 1979815, 2631238, 3847565, 3959630, 6578095, 7695130, 13156190, 40784189, 81568378, 203920945, 407841890]

約数ペア:

[(1, 407841890), (2, 203920945), (5, 81568378), (10, 40784189), (31, 13156190), (53, 7695130), (62, 6578095), (103, 3959630), (106, 3847565), (155, 2631238), (206, 1979815), (241, 1692290), (265, 1539026), (310, 1315619), (482, 846145), (515, 791926), (530, 769513), (1030, 395963), (1205, 338458), (1643, 248230), (2410, 169229), (3193, 127730), (3286, 124115), (5459, 74710), (6386, 63865), (7471, 54590), (8215, 49646), (10918, 37355), (12773, 31930), (14942, 27295), (15965, 25546), (16430, 24823)]