1950326420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 4912488000

約数和(自身を除く): 2962161580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 89, 98, 118, 140, 178, 196, 236, 245, 295, 356, 379, 413, 445, 490, 590, 623, 758, 826, 890, 980, 1180, 1246, 1516, 1652, 1780, 1895, 2065, 2492, 2653, 2891, 3115, 3790, 4130, 4361, 5251, 5306, 5782, 6230, 7580, 8260, 8722, 10502, 10612, 11564, 12460, 13265, 14455, 17444, 18571, 21004, 21805, 22361, 26255, 26530, 28910, 33731, 36757, 37142, 43610, 44722, 52510, 53060, 57820, 67462, 73514, 74284, 87220, 89444, 92855, 105020, 111805, 134924, 147028, 156527, 168655, 183785, 185710, 223610, 236117, 257299, 313054, 337310, 367570, 371420, 447220, 472234, 514598, 626108, 674620, 735140, 782635, 944468, 1029196, 1095689, 1180585, 1286495, 1565270, 1652819, 1990129, 2191378, 2361170, 2572990, 3130540, 3305638, 3980258, 4382756, 4722340, 5145980, 5478445, 6611276, 7960516, 8264095, 9950645, 10956890, 13930903, 16528190, 19901290, 21913780, 27861806, 33056380, 39802580, 55723612, 69654515, 97516321, 139309030, 195032642, 278618060, 390065284, 487581605, 975163210, 1950326420]

約数ペア:

[(1, 1950326420), (2, 975163210), (4, 487581605), (5, 390065284), (7, 278618060), (10, 195032642), (14, 139309030), (20, 97516321), (28, 69654515), (35, 55723612), (49, 39802580), (59, 33056380), (70, 27861806), (89, 21913780), (98, 19901290), (118, 16528190), (140, 13930903), (178, 10956890), (196, 9950645), (236, 8264095), (245, 7960516), (295, 6611276), (356, 5478445), (379, 5145980), (413, 4722340), (445, 4382756), (490, 3980258), (590, 3305638), (623, 3130540), (758, 2572990), (826, 2361170), (890, 2191378), (980, 1990129), (1180, 1652819), (1246, 1565270), (1516, 1286495), (1652, 1180585), (1780, 1095689), (1895, 1029196), (2065, 944468), (2492, 782635), (2653, 735140), (2891, 674620), (3115, 626108), (3790, 514598), (4130, 472234), (4361, 447220), (5251, 371420), (5306, 367570), (5782, 337310), (6230, 313054), (7580, 257299), (8260, 236117), (8722, 223610), (10502, 185710), (10612, 183785), (11564, 168655), (12460, 156527), (13265, 147028), (14455, 134924), (17444, 111805), (18571, 105020), (21004, 92855), (21805, 89444), (22361, 87220), (26255, 74284), (26530, 73514), (28910, 67462), (33731, 57820), (36757, 53060), (37142, 52510), (43610, 44722)]