128350090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 261273600

約数和(自身を除く): 132923510

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 149, 191, 205, 298, 382, 410, 451, 745, 902, 955, 1490, 1639, 1910, 2101, 2255, 3278, 4202, 4510, 6109, 7831, 8195, 10505, 12218, 15662, 16390, 21010, 28459, 30545, 39155, 56918, 61090, 67199, 78310, 86141, 134398, 142295, 172282, 284590, 313049, 335995, 430705, 626098, 671990, 861410, 1166819, 1565245, 2333638, 3130490, 5834095, 11668190, 12835009, 25670018, 64175045, 128350090]

約数ペア:

[(1, 128350090), (2, 64175045), (5, 25670018), (10, 12835009), (11, 11668190), (22, 5834095), (41, 3130490), (55, 2333638), (82, 1565245), (110, 1166819), (149, 861410), (191, 671990), (205, 626098), (298, 430705), (382, 335995), (410, 313049), (451, 284590), (745, 172282), (902, 142295), (955, 134398), (1490, 86141), (1639, 78310), (1910, 67199), (2101, 61090), (2255, 56918), (3278, 39155), (4202, 30545), (4510, 28459), (6109, 21010), (7831, 16390), (8195, 15662), (10505, 12218)]