289118896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2858

約数の個数: 80

約数和(自身を含む): 664243200

約数和(自身を除く): 375124304

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 682, 836, 1178, 1364, 1672, 2356, 2728, 2789, 3344, 4712, 5456, 5578, 6479, 9424, 11156, 12958, 22312, 25916, 30679, 44624, 51832, 52991, 61358, 86459, 103664, 105982, 122716, 172918, 211964, 245432, 345836, 423928, 490864, 582901, 691672, 847856, 951049, 1165802, 1383344, 1642721, 1902098, 2331604, 3285442, 3804196, 4663208, 6570884, 7608392, 9326416, 13141768, 15216784, 18069931, 26283536, 36139862, 72279724, 144559448, 289118896]

約数ペア:

[(1, 289118896), (2, 144559448), (4, 72279724), (8, 36139862), (11, 26283536), (16, 18069931), (19, 15216784), (22, 13141768), (31, 9326416), (38, 7608392), (44, 6570884), (62, 4663208), (76, 3804196), (88, 3285442), (124, 2331604), (152, 1902098), (176, 1642721), (209, 1383344), (248, 1165802), (304, 951049), (341, 847856), (418, 691672), (496, 582901), (589, 490864), (682, 423928), (836, 345836), (1178, 245432), (1364, 211964), (1672, 172918), (2356, 122716), (2728, 105982), (2789, 103664), (3344, 86459), (4712, 61358), (5456, 52991), (5578, 51832), (6479, 44624), (9424, 30679), (11156, 25916), (12958, 22312)]