55329820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 150419808

約数和(自身を除く): 95089988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 49, 52, 65, 70, 86, 91, 98, 101, 130, 140, 172, 182, 196, 202, 215, 245, 260, 301, 364, 404, 430, 455, 490, 505, 559, 602, 637, 707, 860, 910, 980, 1010, 1118, 1204, 1274, 1313, 1414, 1505, 1820, 2020, 2107, 2236, 2548, 2626, 2795, 2828, 3010, 3185, 3535, 3913, 4214, 4343, 4949, 5252, 5590, 6020, 6370, 6565, 7070, 7826, 8428, 8686, 9191, 9898, 10535, 11180, 12740, 13130, 14140, 15652, 17372, 18382, 19565, 19796, 21070, 21715, 24745, 26260, 27391, 30401, 36764, 39130, 42140, 43430, 45955, 49490, 54782, 56459, 60802, 64337, 78260, 86860, 91910, 98980, 109564, 112918, 121604, 128674, 136955, 152005, 183820, 212807, 225836, 257348, 273910, 282295, 304010, 321685, 395213, 425614, 547820, 564590, 608020, 643370, 790426, 851228, 1064035, 1129180, 1286740, 1580852, 1976065, 2128070, 2766491, 3952130, 4256140, 5532982, 7904260, 11065964, 13832455, 27664910, 55329820]

約数ペア:

[(1, 55329820), (2, 27664910), (4, 13832455), (5, 11065964), (7, 7904260), (10, 5532982), (13, 4256140), (14, 3952130), (20, 2766491), (26, 2128070), (28, 1976065), (35, 1580852), (43, 1286740), (49, 1129180), (52, 1064035), (65, 851228), (70, 790426), (86, 643370), (91, 608020), (98, 564590), (101, 547820), (130, 425614), (140, 395213), (172, 321685), (182, 304010), (196, 282295), (202, 273910), (215, 257348), (245, 225836), (260, 212807), (301, 183820), (364, 152005), (404, 136955), (430, 128674), (455, 121604), (490, 112918), (505, 109564), (559, 98980), (602, 91910), (637, 86860), (707, 78260), (860, 64337), (910, 60802), (980, 56459), (1010, 54782), (1118, 49490), (1204, 45955), (1274, 43430), (1313, 42140), (1414, 39130), (1505, 36764), (1820, 30401), (2020, 27391), (2107, 26260), (2236, 24745), (2548, 21715), (2626, 21070), (2795, 19796), (2828, 19565), (3010, 18382), (3185, 17372), (3535, 15652), (3913, 14140), (4214, 13130), (4343, 12740), (4949, 11180), (5252, 10535), (5590, 9898), (6020, 9191), (6370, 8686), (6565, 8428), (7070, 7826)]