209914380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:960

約数の個数: 144

約数和(自身を含む): 692852160

約数和(自身を除く): 482937780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 180, 195, 218, 234, 260, 327, 390, 436, 468, 545, 585, 654, 780, 823, 981, 1090, 1170, 1308, 1417, 1635, 1646, 1962, 2180, 2340, 2469, 2834, 3270, 3292, 3924, 4115, 4251, 4905, 4938, 5668, 6540, 7085, 7407, 8230, 8502, 9810, 9876, 10699, 12345, 12753, 14170, 14814, 16460, 17004, 19620, 21255, 21398, 24690, 25506, 28340, 29628, 32097, 37035, 42510, 42796, 49380, 51012, 53495, 63765, 64194, 74070, 85020, 89707, 96291, 106990, 127530, 128388, 148140, 160485, 179414, 192582, 213980, 255060, 269121, 320970, 358828, 385164, 448535, 481455, 538242, 641940, 807363, 897070, 962910, 1076484, 1166191, 1345605, 1614726, 1794140, 1925820, 2332382, 2691210, 3229452, 3498573, 4036815, 4664764, 5382420, 5830955, 6997146, 8073630, 10495719, 11661910, 13994292, 16147260, 17492865, 20991438, 23323820, 34985730, 41982876, 52478595, 69971460, 104957190, 209914380]

約数ペア:

[(1, 209914380), (2, 104957190), (3, 69971460), (4, 52478595), (5, 41982876), (6, 34985730), (9, 23323820), (10, 20991438), (12, 17492865), (13, 16147260), (15, 13994292), (18, 11661910), (20, 10495719), (26, 8073630), (30, 6997146), (36, 5830955), (39, 5382420), (45, 4664764), (52, 4036815), (60, 3498573), (65, 3229452), (78, 2691210), (90, 2332382), (109, 1925820), (117, 1794140), (130, 1614726), (156, 1345605), (180, 1166191), (195, 1076484), (218, 962910), (234, 897070), (260, 807363), (327, 641940), (390, 538242), (436, 481455), (468, 448535), (545, 385164), (585, 358828), (654, 320970), (780, 269121), (823, 255060), (981, 213980), (1090, 192582), (1170, 179414), (1308, 160485), (1417, 148140), (1635, 128388), (1646, 127530), (1962, 106990), (2180, 96291), (2340, 89707), (2469, 85020), (2834, 74070), (3270, 64194), (3292, 63765), (3924, 53495), (4115, 51012), (4251, 49380), (4905, 42796), (4938, 42510), (5668, 37035), (6540, 32097), (7085, 29628), (7407, 28340), (8230, 25506), (8502, 24690), (9810, 21398), (9876, 21255), (10699, 19620), (12345, 17004), (12753, 16460), (14170, 14814)]