42944020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2239}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 103864320

約数和(自身を除く): 60920300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2239, 2740, 3836, 4478, 4795, 8956, 9590, 11195, 15673, 19180, 22390, 31346, 44780, 62692, 78365, 156730, 306743, 313460, 613486, 1226972, 1533715, 2147201, 3067430, 4294402, 6134860, 8588804, 10736005, 21472010, 42944020]

約数ペア:

[(1, 42944020), (2, 21472010), (4, 10736005), (5, 8588804), (7, 6134860), (10, 4294402), (14, 3067430), (20, 2147201), (28, 1533715), (35, 1226972), (70, 613486), (137, 313460), (140, 306743), (274, 156730), (548, 78365), (685, 62692), (959, 44780), (1370, 31346), (1918, 22390), (2239, 19180), (2740, 15673), (3836, 11195), (4478, 9590), (4795, 8956)]