222769720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 552407040

約数和(自身を除く): 329637320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 73, 92, 107, 115, 124, 146, 155, 184, 214, 230, 248, 292, 310, 365, 428, 460, 535, 584, 620, 713, 730, 856, 920, 1070, 1240, 1426, 1460, 1679, 2140, 2263, 2461, 2852, 2920, 3317, 3358, 3565, 4280, 4526, 4922, 5704, 6634, 6716, 7130, 7811, 8395, 9052, 9844, 11315, 12305, 13268, 13432, 14260, 15622, 16585, 16790, 18104, 19688, 22630, 24610, 26536, 28520, 31244, 33170, 33580, 39055, 45260, 49220, 52049, 62488, 66340, 67160, 76291, 78110, 90520, 98440, 104098, 132680, 152582, 156220, 179653, 208196, 242141, 260245, 305164, 312440, 359306, 381455, 416392, 484282, 520490, 610328, 718612, 762910, 898265, 968564, 1040980, 1210705, 1437224, 1525820, 1796530, 1937128, 2081960, 2421410, 3051640, 3593060, 4842820, 5569243, 7186120, 9685640, 11138486, 22276972, 27846215, 44553944, 55692430, 111384860, 222769720]

約数ペア:

[(1, 222769720), (2, 111384860), (4, 55692430), (5, 44553944), (8, 27846215), (10, 22276972), (20, 11138486), (23, 9685640), (31, 7186120), (40, 5569243), (46, 4842820), (62, 3593060), (73, 3051640), (92, 2421410), (107, 2081960), (115, 1937128), (124, 1796530), (146, 1525820), (155, 1437224), (184, 1210705), (214, 1040980), (230, 968564), (248, 898265), (292, 762910), (310, 718612), (365, 610328), (428, 520490), (460, 484282), (535, 416392), (584, 381455), (620, 359306), (713, 312440), (730, 305164), (856, 260245), (920, 242141), (1070, 208196), (1240, 179653), (1426, 156220), (1460, 152582), (1679, 132680), (2140, 104098), (2263, 98440), (2461, 90520), (2852, 78110), (2920, 76291), (3317, 67160), (3358, 66340), (3565, 62488), (4280, 52049), (4526, 49220), (4922, 45260), (5704, 39055), (6634, 33580), (6716, 33170), (7130, 31244), (7811, 28520), (8395, 26536), (9052, 24610), (9844, 22630), (11315, 19688), (12305, 18104), (13268, 16790), (13432, 16585), (14260, 15622)]