149803780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4931}}^1$

素因数の和:4985

約数の個数: 72

約数和(自身を含む): 377830656

約数和(自身を除く): 228026876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 4931, 6076, 7595, 9862, 15190, 19724, 24655, 30380, 34517, 49310, 69034, 98620, 138068, 152861, 172585, 241619, 305722, 345170, 483238, 611444, 690340, 764305, 966476, 1070027, 1208095, 1528610, 2140054, 2416190, 3057220, 4280108, 4832380, 5350135, 7490189, 10700270, 14980378, 21400540, 29960756, 37450945, 74901890, 149803780]

約数ペア:

[(1, 149803780), (2, 74901890), (4, 37450945), (5, 29960756), (7, 21400540), (10, 14980378), (14, 10700270), (20, 7490189), (28, 5350135), (31, 4832380), (35, 4280108), (49, 3057220), (62, 2416190), (70, 2140054), (98, 1528610), (124, 1208095), (140, 1070027), (155, 966476), (196, 764305), (217, 690340), (245, 611444), (310, 483238), (434, 345170), (490, 305722), (620, 241619), (868, 172585), (980, 152861), (1085, 138068), (1519, 98620), (2170, 69034), (3038, 49310), (4340, 34517), (4931, 30380), (6076, 24655), (7595, 19724), (9862, 15190)]