205170420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:794

約数の個数: 192

約数和(自身を含む): 721405440

約数和(自身を除く): 516235020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 53, 60, 65, 70, 78, 84, 91, 105, 106, 130, 140, 156, 159, 182, 195, 210, 212, 260, 265, 273, 318, 364, 371, 390, 420, 455, 530, 546, 636, 689, 709, 742, 780, 795, 910, 1060, 1092, 1113, 1365, 1378, 1418, 1484, 1590, 1820, 1855, 2067, 2127, 2226, 2730, 2756, 2836, 3180, 3445, 3545, 3710, 4134, 4254, 4452, 4823, 4963, 5460, 5565, 6890, 7090, 7420, 8268, 8508, 9217, 9646, 9926, 10335, 10635, 11130, 13780, 14180, 14469, 14889, 18434, 19292, 19852, 20670, 21270, 22260, 24115, 24815, 27651, 28938, 29778, 36868, 37577, 41340, 42540, 46085, 48230, 49630, 55302, 57876, 59556, 64519, 72345, 74445, 75154, 92170, 96460, 99260, 110604, 112731, 129038, 138255, 144690, 148890, 150308, 184340, 187885, 193557, 225462, 258076, 263039, 276510, 289380, 297780, 322595, 375770, 387114, 450924, 488501, 526078, 553020, 563655, 645190, 751540, 774228, 789117, 967785, 977002, 1052156, 1127310, 1290380, 1315195, 1465503, 1578234, 1935570, 1954004, 2254620, 2442505, 2630390, 2931006, 3156468, 3419507, 3871140, 3945585, 4885010, 5260780, 5862012, 6839014, 7327515, 7891170, 9770020, 10258521, 13678028, 14655030, 15782340, 17097535, 20517042, 29310060, 34195070, 41034084, 51292605, 68390140, 102585210, 205170420]

約数ペア:

[(1, 205170420), (2, 102585210), (3, 68390140), (4, 51292605), (5, 41034084), (6, 34195070), (7, 29310060), (10, 20517042), (12, 17097535), (13, 15782340), (14, 14655030), (15, 13678028), (20, 10258521), (21, 9770020), (26, 7891170), (28, 7327515), (30, 6839014), (35, 5862012), (39, 5260780), (42, 4885010), (52, 3945585), (53, 3871140), (60, 3419507), (65, 3156468), (70, 2931006), (78, 2630390), (84, 2442505), (91, 2254620), (105, 1954004), (106, 1935570), (130, 1578234), (140, 1465503), (156, 1315195), (159, 1290380), (182, 1127310), (195, 1052156), (210, 977002), (212, 967785), (260, 789117), (265, 774228), (273, 751540), (318, 645190), (364, 563655), (371, 553020), (390, 526078), (420, 488501), (455, 450924), (530, 387114), (546, 375770), (636, 322595), (689, 297780), (709, 289380), (742, 276510), (780, 263039), (795, 258076), (910, 225462), (1060, 193557), (1092, 187885), (1113, 184340), (1365, 150308), (1378, 148890), (1418, 144690), (1484, 138255), (1590, 129038), (1820, 112731), (1855, 110604), (2067, 99260), (2127, 96460), (2226, 92170), (2730, 75154), (2756, 74445), (2836, 72345), (3180, 64519), (3445, 59556), (3545, 57876), (3710, 55302), (4134, 49630), (4254, 48230), (4452, 46085), (4823, 42540), (4963, 41340), (5460, 37577), (5565, 36868), (6890, 29778), (7090, 28938), (7420, 27651), (8268, 24815), (8508, 24115), (9217, 22260), (9646, 21270), (9926, 20670), (10335, 19852), (10635, 19292), (11130, 18434), (13780, 14889), (14180, 14469)]