205173780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3673}}^1$

素因数の和:3718

約数の個数: 144

約数和(自身を含む): 703644480

約数和(自身を除く): 498470700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3673, 3724, 3990, 4655, 5586, 7346, 7980, 9310, 11019, 11172, 13965, 14692, 18365, 18620, 22038, 25711, 27930, 36730, 44076, 51422, 55095, 55860, 69787, 73460, 77133, 102844, 110190, 128555, 139574, 154266, 179977, 209361, 220380, 257110, 279148, 308532, 348935, 359954, 385665, 418722, 488509, 514220, 539931, 697870, 719908, 771330, 837444, 899885, 977018, 1046805, 1079862, 1395740, 1465527, 1542660, 1799770, 1954036, 2093610, 2159724, 2442545, 2699655, 2931054, 3419563, 3599540, 4187220, 4885090, 5399310, 5862108, 6839126, 7327635, 9770180, 10258689, 10798620, 13678252, 14655270, 17097815, 20517378, 29310540, 34195630, 41034756, 51293445, 68391260, 102586890, 205173780]

約数ペア:

[(1, 205173780), (2, 102586890), (3, 68391260), (4, 51293445), (5, 41034756), (6, 34195630), (7, 29310540), (10, 20517378), (12, 17097815), (14, 14655270), (15, 13678252), (19, 10798620), (20, 10258689), (21, 9770180), (28, 7327635), (30, 6839126), (35, 5862108), (38, 5399310), (42, 4885090), (49, 4187220), (57, 3599540), (60, 3419563), (70, 2931054), (76, 2699655), (84, 2442545), (95, 2159724), (98, 2093610), (105, 1954036), (114, 1799770), (133, 1542660), (140, 1465527), (147, 1395740), (190, 1079862), (196, 1046805), (210, 977018), (228, 899885), (245, 837444), (266, 771330), (285, 719908), (294, 697870), (380, 539931), (399, 514220), (420, 488509), (490, 418722), (532, 385665), (570, 359954), (588, 348935), (665, 308532), (735, 279148), (798, 257110), (931, 220380), (980, 209361), (1140, 179977), (1330, 154266), (1470, 139574), (1596, 128555), (1862, 110190), (1995, 102844), (2660, 77133), (2793, 73460), (2940, 69787), (3673, 55860), (3724, 55095), (3990, 51422), (4655, 44076), (5586, 36730), (7346, 27930), (7980, 25711), (9310, 22038), (11019, 18620), (11172, 18365), (13965, 14692)]