28728700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 216

約数和(自身を含む): 87275664

約数和(自身を除く): 58546964

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 41, 44, 49, 50, 52, 55, 65, 70, 77, 82, 91, 98, 100, 110, 130, 140, 143, 154, 164, 175, 182, 196, 205, 220, 245, 260, 275, 286, 287, 308, 325, 350, 364, 385, 410, 451, 455, 490, 533, 539, 550, 572, 574, 637, 650, 700, 715, 770, 820, 902, 910, 980, 1001, 1025, 1066, 1078, 1100, 1148, 1225, 1274, 1300, 1430, 1435, 1540, 1804, 1820, 1925, 2002, 2009, 2050, 2132, 2156, 2255, 2275, 2450, 2548, 2665, 2695, 2860, 2870, 3157, 3185, 3575, 3731, 3850, 4004, 4018, 4100, 4510, 4550, 4900, 5005, 5330, 5390, 5740, 5863, 6314, 6370, 7007, 7150, 7175, 7462, 7700, 8036, 9020, 9100, 10010, 10045, 10660, 10780, 11275, 11726, 12628, 12740, 13325, 13475, 14014, 14300, 14350, 14924, 15785, 15925, 18655, 20020, 20090, 22099, 22550, 23452, 25025, 26117, 26650, 26950, 28028, 28700, 29315, 31570, 31850, 35035, 37310, 40180, 41041, 44198, 45100, 50050, 50225, 52234, 53300, 53900, 58630, 63140, 63700, 70070, 74620, 78925, 82082, 88396, 93275, 100100, 100450, 104468, 110495, 117260, 130585, 140140, 146575, 157850, 164164, 175175, 186550, 200900, 205205, 220990, 261170, 287287, 293150, 315700, 350350, 373100, 410410, 441980, 522340, 552475, 574574, 586300, 652925, 700700, 820820, 1026025, 1104950, 1149148, 1305850, 1436435, 2052050, 2209900, 2611700, 2872870, 4104100, 5745740, 7182175, 14364350, 28728700]

約数ペア:

[(1, 28728700), (2, 14364350), (4, 7182175), (5, 5745740), (7, 4104100), (10, 2872870), (11, 2611700), (13, 2209900), (14, 2052050), (20, 1436435), (22, 1305850), (25, 1149148), (26, 1104950), (28, 1026025), (35, 820820), (41, 700700), (44, 652925), (49, 586300), (50, 574574), (52, 552475), (55, 522340), (65, 441980), (70, 410410), (77, 373100), (82, 350350), (91, 315700), (98, 293150), (100, 287287), (110, 261170), (130, 220990), (140, 205205), (143, 200900), (154, 186550), (164, 175175), (175, 164164), (182, 157850), (196, 146575), (205, 140140), (220, 130585), (245, 117260), (260, 110495), (275, 104468), (286, 100450), (287, 100100), (308, 93275), (325, 88396), (350, 82082), (364, 78925), (385, 74620), (410, 70070), (451, 63700), (455, 63140), (490, 58630), (533, 53900), (539, 53300), (550, 52234), (572, 50225), (574, 50050), (637, 45100), (650, 44198), (700, 41041), (715, 40180), (770, 37310), (820, 35035), (902, 31850), (910, 31570), (980, 29315), (1001, 28700), (1025, 28028), (1066, 26950), (1078, 26650), (1100, 26117), (1148, 25025), (1225, 23452), (1274, 22550), (1300, 22099), (1430, 20090), (1435, 20020), (1540, 18655), (1804, 15925), (1820, 15785), (1925, 14924), (2002, 14350), (2009, 14300), (2050, 14014), (2132, 13475), (2156, 13325), (2255, 12740), (2275, 12628), (2450, 11726), (2548, 11275), (2665, 10780), (2695, 10660), (2860, 10045), (2870, 10010), (3157, 9100), (3185, 9020), (3575, 8036), (3731, 7700), (3850, 7462), (4004, 7175), (4018, 7150), (4100, 7007), (4510, 6370), (4550, 6314), (4900, 5863), (5005, 5740), (5330, 5390)]