2128045220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 192

約数和(自身を含む): 5620285440

約数和(自身を除く): 3492240220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 131, 133, 140, 155, 190, 197, 217, 262, 266, 310, 380, 394, 434, 524, 532, 589, 620, 655, 665, 788, 868, 917, 985, 1085, 1178, 1310, 1330, 1379, 1834, 1970, 2170, 2356, 2489, 2620, 2660, 2758, 2945, 3668, 3743, 3940, 4061, 4123, 4340, 4585, 4978, 5516, 5890, 6107, 6895, 7486, 8122, 8246, 9170, 9956, 11780, 12214, 12445, 13790, 14972, 16244, 16492, 17423, 18340, 18715, 20305, 20615, 24428, 24890, 25807, 26201, 27580, 28427, 30535, 34846, 37430, 40610, 41230, 42749, 49780, 51614, 52402, 56854, 61070, 69692, 74860, 77159, 81220, 82460, 85498, 87115, 103228, 104804, 113708, 116033, 122140, 129035, 131005, 142135, 154318, 170996, 174230, 180649, 213745, 232066, 258070, 262010, 284270, 308636, 348460, 361298, 385795, 427490, 464132, 490333, 516140, 524020, 540113, 568540, 580165, 722596, 771590, 800017, 812231, 854980, 903245, 980666, 1080226, 1160330, 1543180, 1600034, 1624462, 1806490, 1961332, 2160452, 2320660, 2451665, 2700565, 3200068, 3248924, 3432331, 3612980, 4000085, 4061155, 4903330, 5401130, 5600119, 6864662, 8000170, 8122310, 9806660, 10802260, 11200238, 13729324, 15200323, 16000340, 16244620, 17161655, 22400476, 28000595, 30400646, 34323310, 56001190, 60801292, 68646620, 76001615, 106402261, 112002380, 152003230, 212804522, 304006460, 425609044, 532011305, 1064022610, 2128045220]

約数ペア:

[(1, 2128045220), (2, 1064022610), (4, 532011305), (5, 425609044), (7, 304006460), (10, 212804522), (14, 152003230), (19, 112002380), (20, 106402261), (28, 76001615), (31, 68646620), (35, 60801292), (38, 56001190), (62, 34323310), (70, 30400646), (76, 28000595), (95, 22400476), (124, 17161655), (131, 16244620), (133, 16000340), (140, 15200323), (155, 13729324), (190, 11200238), (197, 10802260), (217, 9806660), (262, 8122310), (266, 8000170), (310, 6864662), (380, 5600119), (394, 5401130), (434, 4903330), (524, 4061155), (532, 4000085), (589, 3612980), (620, 3432331), (655, 3248924), (665, 3200068), (788, 2700565), (868, 2451665), (917, 2320660), (985, 2160452), (1085, 1961332), (1178, 1806490), (1310, 1624462), (1330, 1600034), (1379, 1543180), (1834, 1160330), (1970, 1080226), (2170, 980666), (2356, 903245), (2489, 854980), (2620, 812231), (2660, 800017), (2758, 771590), (2945, 722596), (3668, 580165), (3743, 568540), (3940, 540113), (4061, 524020), (4123, 516140), (4340, 490333), (4585, 464132), (4978, 427490), (5516, 385795), (5890, 361298), (6107, 348460), (6895, 308636), (7486, 284270), (8122, 262010), (8246, 258070), (9170, 232066), (9956, 213745), (11780, 180649), (12214, 174230), (12445, 170996), (13790, 154318), (14972, 142135), (16244, 131005), (16492, 129035), (17423, 122140), (18340, 116033), (18715, 113708), (20305, 104804), (20615, 103228), (24428, 87115), (24890, 85498), (25807, 82460), (26201, 81220), (27580, 77159), (28427, 74860), (30535, 69692), (34846, 61070), (37430, 56854), (40610, 52402), (41230, 51614), (42749, 49780)]