42197820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 142184448

約数和(自身を除く): 99986628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 463, 465, 490, 588, 620, 651, 735, 868, 926, 930, 980, 1085, 1302, 1389, 1470, 1519, 1852, 1860, 2170, 2315, 2604, 2778, 2940, 3038, 3241, 3255, 4340, 4557, 4630, 5556, 6076, 6482, 6510, 6945, 7595, 9114, 9260, 9723, 12964, 13020, 13890, 14353, 15190, 16205, 18228, 19446, 22687, 22785, 27780, 28706, 30380, 32410, 38892, 43059, 45374, 45570, 48615, 57412, 64820, 68061, 71765, 86118, 90748, 91140, 97230, 100471, 113435, 136122, 143530, 172236, 194460, 200942, 215295, 226870, 272244, 287060, 301413, 340305, 401884, 430590, 453740, 502355, 602826, 680610, 703297, 861180, 1004710, 1205652, 1361220, 1406594, 1507065, 2009420, 2109891, 2813188, 3014130, 3516485, 4219782, 6028260, 7032970, 8439564, 10549455, 14065940, 21098910, 42197820]

約数ペア:

[(1, 42197820), (2, 21098910), (3, 14065940), (4, 10549455), (5, 8439564), (6, 7032970), (7, 6028260), (10, 4219782), (12, 3516485), (14, 3014130), (15, 2813188), (20, 2109891), (21, 2009420), (28, 1507065), (30, 1406594), (31, 1361220), (35, 1205652), (42, 1004710), (49, 861180), (60, 703297), (62, 680610), (70, 602826), (84, 502355), (93, 453740), (98, 430590), (105, 401884), (124, 340305), (140, 301413), (147, 287060), (155, 272244), (186, 226870), (196, 215295), (210, 200942), (217, 194460), (245, 172236), (294, 143530), (310, 136122), (372, 113435), (420, 100471), (434, 97230), (463, 91140), (465, 90748), (490, 86118), (588, 71765), (620, 68061), (651, 64820), (735, 57412), (868, 48615), (926, 45570), (930, 45374), (980, 43059), (1085, 38892), (1302, 32410), (1389, 30380), (1470, 28706), (1519, 27780), (1852, 22785), (1860, 22687), (2170, 19446), (2315, 18228), (2604, 16205), (2778, 15190), (2940, 14353), (3038, 13890), (3241, 13020), (3255, 12964), (4340, 9723), (4557, 9260), (4630, 9114), (5556, 7595), (6076, 6945), (6482, 6510)]