217424340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4013}}^1$

素因数の和:4078

約数の個数: 144

約数和(自身を含む): 771458688

約数和(自身を除く): 554034348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4013, 4515, 5418, 6020, 7740, 8026, 9030, 10836, 12039, 13545, 16052, 18060, 20065, 24078, 27090, 28091, 36117, 40130, 48156, 54180, 56182, 60195, 72234, 80260, 84273, 112364, 120390, 140455, 144468, 168546, 172559, 180585, 240780, 252819, 280910, 337092, 345118, 361170, 421365, 505638, 517677, 561820, 690236, 722340, 842730, 862795, 1011276, 1035354, 1207913, 1264095, 1553031, 1685460, 1725590, 2070708, 2415826, 2528190, 2588385, 3106062, 3451180, 3623739, 4831652, 5056380, 5176770, 6039565, 6212124, 7247478, 7765155, 10353540, 10871217, 12079130, 14494956, 15530310, 18118695, 21742434, 24158260, 31060620, 36237390, 43484868, 54356085, 72474780, 108712170, 217424340]

約数ペア:

[(1, 217424340), (2, 108712170), (3, 72474780), (4, 54356085), (5, 43484868), (6, 36237390), (7, 31060620), (9, 24158260), (10, 21742434), (12, 18118695), (14, 15530310), (15, 14494956), (18, 12079130), (20, 10871217), (21, 10353540), (28, 7765155), (30, 7247478), (35, 6212124), (36, 6039565), (42, 5176770), (43, 5056380), (45, 4831652), (60, 3623739), (63, 3451180), (70, 3106062), (84, 2588385), (86, 2528190), (90, 2415826), (105, 2070708), (126, 1725590), (129, 1685460), (140, 1553031), (172, 1264095), (180, 1207913), (210, 1035354), (215, 1011276), (252, 862795), (258, 842730), (301, 722340), (315, 690236), (387, 561820), (420, 517677), (430, 505638), (516, 421365), (602, 361170), (630, 345118), (645, 337092), (774, 280910), (860, 252819), (903, 240780), (1204, 180585), (1260, 172559), (1290, 168546), (1505, 144468), (1548, 140455), (1806, 120390), (1935, 112364), (2580, 84273), (2709, 80260), (3010, 72234), (3612, 60195), (3870, 56182), (4013, 54180), (4515, 48156), (5418, 40130), (6020, 36117), (7740, 28091), (8026, 27090), (9030, 24078), (10836, 20065), (12039, 18060), (13545, 16052)]