1288352393020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{245407}}^1$

素因数の和:245928

約数の個数: 144

約数和(自身を含む): 3440439539712

約数和(自身を除く): 2152087146692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 487, 490, 539, 770, 974, 980, 1078, 1540, 1948, 2156, 2435, 2695, 3409, 4870, 5357, 5390, 6818, 9740, 10714, 10780, 13636, 17045, 21428, 23863, 26785, 34090, 37499, 47726, 53570, 68180, 74998, 95452, 107140, 119315, 149996, 187495, 238630, 245407, 262493, 374990, 477260, 490814, 524986, 749980, 981628, 1049972, 1227035, 1312465, 1717849, 2454070, 2624930, 2699477, 3435698, 4908140, 5249860, 5398954, 6871396, 8589245, 10797908, 12024943, 13497385, 17178490, 18896339, 24049886, 26994770, 34356980, 37792678, 48099772, 53989540, 60124715, 75585356, 94481695, 119513209, 120249430, 132274373, 188963390, 239026418, 240498860, 264548746, 377926780, 478052836, 529097492, 597566045, 661371865, 836592463, 1195132090, 1314645299, 1322743730, 1673184926, 2390264180, 2629290598, 2645487460, 3346369852, 4182962315, 5258581196, 5856147241, 6573226495, 8365924630, 9202517093, 11712294482, 13146452990, 16731849260, 18405034186, 23424588964, 26292905980, 29280736205, 36810068372, 46012585465, 58561472410, 64417619651, 92025170930, 117122944820, 128835239302, 184050341860, 257670478604, 322088098255, 644176196510, 1288352393020]

約数ペア:

[(1, 1288352393020), (2, 644176196510), (4, 322088098255), (5, 257670478604), (7, 184050341860), (10, 128835239302), (11, 117122944820), (14, 92025170930), (20, 64417619651), (22, 58561472410), (28, 46012585465), (35, 36810068372), (44, 29280736205), (49, 26292905980), (55, 23424588964), (70, 18405034186), (77, 16731849260), (98, 13146452990), (110, 11712294482), (140, 9202517093), (154, 8365924630), (196, 6573226495), (220, 5856147241), (245, 5258581196), (308, 4182962315), (385, 3346369852), (487, 2645487460), (490, 2629290598), (539, 2390264180), (770, 1673184926), (974, 1322743730), (980, 1314645299), (1078, 1195132090), (1540, 836592463), (1948, 661371865), (2156, 597566045), (2435, 529097492), (2695, 478052836), (3409, 377926780), (4870, 264548746), (5357, 240498860), (5390, 239026418), (6818, 188963390), (9740, 132274373), (10714, 120249430), (10780, 119513209), (13636, 94481695), (17045, 75585356), (21428, 60124715), (23863, 53989540), (26785, 48099772), (34090, 37792678), (37499, 34356980), (47726, 26994770), (53570, 24049886), (68180, 18896339), (74998, 17178490), (95452, 13497385), (107140, 12024943), (119315, 10797908), (149996, 8589245), (187495, 6871396), (238630, 5398954), (245407, 5249860), (262493, 4908140), (374990, 3435698), (477260, 2699477), (490814, 2624930), (524986, 2454070), (749980, 1717849), (981628, 1312465), (1049972, 1227035)]