290959312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1980

約数の個数: 80

約数和(自身を含む): 687832960

約数和(自身を除く): 396873648

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 73, 76, 112, 133, 146, 152, 266, 292, 304, 511, 532, 584, 1022, 1064, 1168, 1387, 1873, 2044, 2128, 2774, 3746, 4088, 5548, 7492, 8176, 9709, 11096, 13111, 14984, 19418, 22192, 26222, 29968, 35587, 38836, 52444, 71174, 77672, 104888, 136729, 142348, 155344, 209776, 249109, 273458, 284696, 498218, 546916, 569392, 957103, 996436, 1093832, 1914206, 1992872, 2187664, 2597851, 3828412, 3985744, 5195702, 7656824, 10391404, 15313648, 18184957, 20782808, 36369914, 41565616, 72739828, 145479656, 290959312]

約数ペア:

[(1, 290959312), (2, 145479656), (4, 72739828), (7, 41565616), (8, 36369914), (14, 20782808), (16, 18184957), (19, 15313648), (28, 10391404), (38, 7656824), (56, 5195702), (73, 3985744), (76, 3828412), (112, 2597851), (133, 2187664), (146, 1992872), (152, 1914206), (266, 1093832), (292, 996436), (304, 957103), (511, 569392), (532, 546916), (584, 498218), (1022, 284696), (1064, 273458), (1168, 249109), (1387, 209776), (1873, 155344), (2044, 142348), (2128, 136729), (2774, 104888), (3746, 77672), (4088, 71174), (5548, 52444), (7492, 38836), (8176, 35587), (9709, 29968), (11096, 26222), (13111, 22192), (14984, 19418)]