78423800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 233318400

約数和(自身を除く): 154894600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 91, 100, 104, 124, 130, 139, 140, 155, 175, 182, 200, 217, 248, 260, 278, 280, 310, 325, 350, 364, 403, 434, 455, 520, 556, 620, 650, 695, 700, 728, 775, 806, 868, 910, 973, 1085, 1112, 1240, 1300, 1390, 1400, 1550, 1612, 1736, 1807, 1820, 1946, 2015, 2170, 2275, 2600, 2780, 2821, 3100, 3224, 3475, 3614, 3640, 3892, 4030, 4309, 4340, 4550, 4865, 5425, 5560, 5642, 6200, 6950, 7228, 7784, 8060, 8618, 8680, 9035, 9100, 9730, 10075, 10850, 11284, 12649, 13900, 14105, 14456, 16120, 17236, 18070, 18200, 19460, 20150, 21545, 21700, 22568, 24325, 25298, 27800, 28210, 30163, 34472, 36140, 38920, 40300, 43090, 43400, 45175, 48650, 50596, 56017, 56420, 60326, 63245, 70525, 72280, 80600, 86180, 90350, 97300, 101192, 107725, 112034, 112840, 120652, 126490, 141050, 150815, 172360, 180700, 194600, 215450, 224068, 241304, 252980, 280085, 282100, 301630, 316225, 361400, 392119, 430900, 448136, 505960, 560170, 564200, 603260, 632450, 754075, 784238, 861800, 1120340, 1206520, 1264900, 1400425, 1508150, 1568476, 1960595, 2240680, 2529800, 2800850, 3016300, 3136952, 3921190, 5601700, 6032600, 7842380, 9802975, 11203400, 15684760, 19605950, 39211900, 78423800]

約数ペア:

[(1, 78423800), (2, 39211900), (4, 19605950), (5, 15684760), (7, 11203400), (8, 9802975), (10, 7842380), (13, 6032600), (14, 5601700), (20, 3921190), (25, 3136952), (26, 3016300), (28, 2800850), (31, 2529800), (35, 2240680), (40, 1960595), (50, 1568476), (52, 1508150), (56, 1400425), (62, 1264900), (65, 1206520), (70, 1120340), (91, 861800), (100, 784238), (104, 754075), (124, 632450), (130, 603260), (139, 564200), (140, 560170), (155, 505960), (175, 448136), (182, 430900), (200, 392119), (217, 361400), (248, 316225), (260, 301630), (278, 282100), (280, 280085), (310, 252980), (325, 241304), (350, 224068), (364, 215450), (403, 194600), (434, 180700), (455, 172360), (520, 150815), (556, 141050), (620, 126490), (650, 120652), (695, 112840), (700, 112034), (728, 107725), (775, 101192), (806, 97300), (868, 90350), (910, 86180), (973, 80600), (1085, 72280), (1112, 70525), (1240, 63245), (1300, 60326), (1390, 56420), (1400, 56017), (1550, 50596), (1612, 48650), (1736, 45175), (1807, 43400), (1820, 43090), (1946, 40300), (2015, 38920), (2170, 36140), (2275, 34472), (2600, 30163), (2780, 28210), (2821, 27800), (3100, 25298), (3224, 24325), (3475, 22568), (3614, 21700), (3640, 21545), (3892, 20150), (4030, 19460), (4309, 18200), (4340, 18070), (4550, 17236), (4865, 16120), (5425, 14456), (5560, 14105), (5642, 13900), (6200, 12649), (6950, 11284), (7228, 10850), (7784, 10075), (8060, 9730), (8618, 9100), (8680, 9035)]