208198260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:822

約数の個数: 144

約数和(自身を含む): 664599936

約数和(自身を除く): 456401676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 258, 333, 370, 387, 430, 444, 516, 555, 645, 666, 727, 740, 774, 860, 1110, 1290, 1332, 1454, 1548, 1591, 1665, 1935, 2181, 2220, 2580, 2908, 3182, 3330, 3635, 3870, 4362, 4773, 6364, 6543, 6660, 7270, 7740, 7955, 8724, 9546, 10905, 13086, 14319, 14540, 15910, 19092, 21810, 23865, 26172, 26899, 28638, 31261, 31820, 32715, 43620, 47730, 53798, 57276, 62522, 65430, 71595, 80697, 93783, 95460, 107596, 125044, 130860, 134495, 143190, 156305, 161394, 187566, 242091, 268990, 281349, 286380, 312610, 322788, 375132, 403485, 468915, 484182, 537980, 562698, 625220, 806970, 937830, 968364, 1125396, 1156657, 1210455, 1406745, 1613940, 1875660, 2313314, 2420910, 2813490, 3469971, 4626628, 4841820, 5626980, 5783285, 6939942, 10409913, 11566570, 13879884, 17349855, 20819826, 23133140, 34699710, 41639652, 52049565, 69399420, 104099130, 208198260]

約数ペア:

[(1, 208198260), (2, 104099130), (3, 69399420), (4, 52049565), (5, 41639652), (6, 34699710), (9, 23133140), (10, 20819826), (12, 17349855), (15, 13879884), (18, 11566570), (20, 10409913), (30, 6939942), (36, 5783285), (37, 5626980), (43, 4841820), (45, 4626628), (60, 3469971), (74, 2813490), (86, 2420910), (90, 2313314), (111, 1875660), (129, 1613940), (148, 1406745), (172, 1210455), (180, 1156657), (185, 1125396), (215, 968364), (222, 937830), (258, 806970), (333, 625220), (370, 562698), (387, 537980), (430, 484182), (444, 468915), (516, 403485), (555, 375132), (645, 322788), (666, 312610), (727, 286380), (740, 281349), (774, 268990), (860, 242091), (1110, 187566), (1290, 161394), (1332, 156305), (1454, 143190), (1548, 134495), (1591, 130860), (1665, 125044), (1935, 107596), (2181, 95460), (2220, 93783), (2580, 80697), (2908, 71595), (3182, 65430), (3330, 62522), (3635, 57276), (3870, 53798), (4362, 47730), (4773, 43620), (6364, 32715), (6543, 31820), (6660, 31261), (7270, 28638), (7740, 26899), (7955, 26172), (8724, 23865), (9546, 21810), (10905, 19092), (13086, 15910), (14319, 14540)]