490690832

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{21859}}^1$

素因数の和:21951

約数の個数: 40

約数和(自身を含む): 1008358080

約数和(自身を除く): 517667248

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 5612, 11224, 21859, 22448, 43718, 87436, 174872, 349744, 502757, 1005514, 1333399, 2011028, 2666798, 4022056, 5333596, 8044112, 10667192, 21334384, 30668177, 61336354, 122672708, 245345416, 490690832]

約数ペア:

[(1, 490690832), (2, 245345416), (4, 122672708), (8, 61336354), (16, 30668177), (23, 21334384), (46, 10667192), (61, 8044112), (92, 5333596), (122, 4022056), (184, 2666798), (244, 2011028), (368, 1333399), (488, 1005514), (976, 502757), (1403, 349744), (2806, 174872), (5612, 87436), (11224, 43718), (21859, 22448)]