278314490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 541956096

約数和(自身を除く): 263641606

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 107, 115, 214, 215, 230, 263, 430, 526, 535, 989, 1070, 1315, 1978, 2461, 2630, 4601, 4922, 4945, 6049, 9202, 9890, 11309, 12098, 12305, 22618, 23005, 24610, 28141, 30245, 46010, 56282, 56545, 60490, 105823, 113090, 140705, 211646, 260107, 281410, 520214, 529115, 647243, 1058230, 1210063, 1294486, 1300535, 2420126, 2601070, 3236215, 6050315, 6472430, 12100630, 27831449, 55662898, 139157245, 278314490]

約数ペア:

[(1, 278314490), (2, 139157245), (5, 55662898), (10, 27831449), (23, 12100630), (43, 6472430), (46, 6050315), (86, 3236215), (107, 2601070), (115, 2420126), (214, 1300535), (215, 1294486), (230, 1210063), (263, 1058230), (430, 647243), (526, 529115), (535, 520214), (989, 281410), (1070, 260107), (1315, 211646), (1978, 140705), (2461, 113090), (2630, 105823), (4601, 60490), (4922, 56545), (4945, 56282), (6049, 46010), (9202, 30245), (9890, 28141), (11309, 24610), (12098, 23005), (12305, 22618)]