28604870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 62346240

約数和(自身を除く): 33741370

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 109, 115, 161, 163, 218, 230, 322, 326, 545, 763, 805, 815, 1090, 1141, 1526, 1610, 1630, 2282, 2507, 3749, 3815, 5014, 5705, 7498, 7630, 11410, 12535, 17549, 17767, 18745, 25070, 26243, 35098, 35534, 37490, 52486, 87745, 88835, 124369, 131215, 175490, 177670, 248738, 262430, 408641, 621845, 817282, 1243690, 2043205, 2860487, 4086410, 5720974, 14302435, 28604870]

約数ペア:

[(1, 28604870), (2, 14302435), (5, 5720974), (7, 4086410), (10, 2860487), (14, 2043205), (23, 1243690), (35, 817282), (46, 621845), (70, 408641), (109, 262430), (115, 248738), (161, 177670), (163, 175490), (218, 131215), (230, 124369), (322, 88835), (326, 87745), (545, 52486), (763, 37490), (805, 35534), (815, 35098), (1090, 26243), (1141, 25070), (1526, 18745), (1610, 17767), (1630, 17549), (2282, 12535), (2507, 11410), (3749, 7630), (3815, 7498), (5014, 5705)]