78994860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 260888544

約数和(自身を除く): 181893684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 194, 196, 210, 245, 277, 291, 294, 388, 420, 485, 490, 554, 582, 588, 679, 735, 831, 970, 980, 1108, 1164, 1358, 1385, 1455, 1470, 1662, 1939, 1940, 2037, 2716, 2770, 2910, 2940, 3324, 3395, 3878, 4074, 4155, 4753, 5540, 5817, 5820, 6790, 7756, 8148, 8310, 9506, 9695, 10185, 11634, 13573, 13580, 14259, 16620, 19012, 19390, 20370, 23268, 23765, 26869, 27146, 28518, 29085, 38780, 40719, 40740, 47530, 53738, 54292, 57036, 58170, 67865, 71295, 80607, 81438, 95060, 107476, 116340, 134345, 135730, 142590, 161214, 162876, 188083, 203595, 268690, 271460, 285180, 322428, 376166, 403035, 407190, 537380, 564249, 752332, 806070, 814380, 940415, 1128498, 1316581, 1612140, 1880830, 2256996, 2633162, 2821245, 3761660, 3949743, 5266324, 5642490, 6582905, 7899486, 11284980, 13165810, 15798972, 19748715, 26331620, 39497430, 78994860]

約数ペア:

[(1, 78994860), (2, 39497430), (3, 26331620), (4, 19748715), (5, 15798972), (6, 13165810), (7, 11284980), (10, 7899486), (12, 6582905), (14, 5642490), (15, 5266324), (20, 3949743), (21, 3761660), (28, 2821245), (30, 2633162), (35, 2256996), (42, 1880830), (49, 1612140), (60, 1316581), (70, 1128498), (84, 940415), (97, 814380), (98, 806070), (105, 752332), (140, 564249), (147, 537380), (194, 407190), (196, 403035), (210, 376166), (245, 322428), (277, 285180), (291, 271460), (294, 268690), (388, 203595), (420, 188083), (485, 162876), (490, 161214), (554, 142590), (582, 135730), (588, 134345), (679, 116340), (735, 107476), (831, 95060), (970, 81438), (980, 80607), (1108, 71295), (1164, 67865), (1358, 58170), (1385, 57036), (1455, 54292), (1470, 53738), (1662, 47530), (1939, 40740), (1940, 40719), (2037, 38780), (2716, 29085), (2770, 28518), (2910, 27146), (2940, 26869), (3324, 23765), (3395, 23268), (3878, 20370), (4074, 19390), (4155, 19012), (4753, 16620), (5540, 14259), (5817, 13580), (5820, 13573), (6790, 11634), (7756, 10185), (8148, 9695), (8310, 9506)]