28874890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 60279552

約数和(自身を除く): 31404662

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 101, 110, 113, 115, 202, 226, 230, 253, 505, 506, 565, 1010, 1111, 1130, 1243, 1265, 2222, 2323, 2486, 2530, 2599, 4646, 5198, 5555, 6215, 11110, 11413, 11615, 12430, 12995, 22826, 23230, 25553, 25990, 28589, 51106, 57065, 57178, 114130, 125543, 127765, 142945, 251086, 255530, 262499, 285890, 524998, 627715, 1255430, 1312495, 2624990, 2887489, 5774978, 14437445, 28874890]

約数ペア:

[(1, 28874890), (2, 14437445), (5, 5774978), (10, 2887489), (11, 2624990), (22, 1312495), (23, 1255430), (46, 627715), (55, 524998), (101, 285890), (110, 262499), (113, 255530), (115, 251086), (202, 142945), (226, 127765), (230, 125543), (253, 114130), (505, 57178), (506, 57065), (565, 51106), (1010, 28589), (1111, 25990), (1130, 25553), (1243, 23230), (1265, 22826), (2222, 12995), (2323, 12430), (2486, 11615), (2530, 11413), (2599, 11110), (4646, 6215), (5198, 5555)]