221816140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 609723072

約数和(自身を除く): 387906932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 182, 196, 230, 245, 260, 299, 322, 364, 455, 460, 490, 598, 637, 644, 757, 805, 910, 980, 1127, 1196, 1274, 1495, 1514, 1610, 1820, 2093, 2254, 2548, 2990, 3028, 3185, 3220, 3785, 4186, 4508, 5299, 5635, 5980, 6370, 7570, 8372, 9841, 10465, 10598, 11270, 12740, 14651, 15140, 17411, 19682, 20930, 21196, 22540, 26495, 29302, 34822, 37093, 39364, 41860, 49205, 52990, 58604, 68887, 69644, 73255, 74186, 87055, 98410, 105980, 121877, 137774, 146510, 148372, 174110, 185465, 196820, 226343, 243754, 275548, 293020, 344435, 348220, 370930, 452686, 482209, 487508, 609385, 688870, 741860, 853139, 905372, 964418, 1131715, 1218770, 1377740, 1584401, 1706278, 1928836, 2263430, 2411045, 2437540, 3168802, 3412556, 4265695, 4526860, 4822090, 6337604, 7922005, 8531390, 9644180, 11090807, 15844010, 17062780, 22181614, 31688020, 44363228, 55454035, 110908070, 221816140]

約数ペア:

[(1, 221816140), (2, 110908070), (4, 55454035), (5, 44363228), (7, 31688020), (10, 22181614), (13, 17062780), (14, 15844010), (20, 11090807), (23, 9644180), (26, 8531390), (28, 7922005), (35, 6337604), (46, 4822090), (49, 4526860), (52, 4265695), (65, 3412556), (70, 3168802), (91, 2437540), (92, 2411045), (98, 2263430), (115, 1928836), (130, 1706278), (140, 1584401), (161, 1377740), (182, 1218770), (196, 1131715), (230, 964418), (245, 905372), (260, 853139), (299, 741860), (322, 688870), (364, 609385), (455, 487508), (460, 482209), (490, 452686), (598, 370930), (637, 348220), (644, 344435), (757, 293020), (805, 275548), (910, 243754), (980, 226343), (1127, 196820), (1196, 185465), (1274, 174110), (1495, 148372), (1514, 146510), (1610, 137774), (1820, 121877), (2093, 105980), (2254, 98410), (2548, 87055), (2990, 74186), (3028, 73255), (3185, 69644), (3220, 68887), (3785, 58604), (4186, 52990), (4508, 49205), (5299, 41860), (5635, 39364), (5980, 37093), (6370, 34822), (7570, 29302), (8372, 26495), (9841, 22540), (10465, 21196), (10598, 20930), (11270, 19682), (12740, 17411), (14651, 15140)]