28955080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 88646400

約数和(自身を除く): 59691320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 79, 85, 88, 98, 110, 119, 136, 140, 154, 158, 170, 187, 196, 220, 238, 245, 280, 308, 316, 340, 374, 385, 392, 395, 440, 476, 490, 539, 553, 595, 616, 632, 680, 748, 770, 790, 833, 869, 935, 952, 980, 1078, 1106, 1190, 1309, 1343, 1496, 1540, 1580, 1666, 1738, 1870, 1960, 2156, 2212, 2380, 2618, 2686, 2695, 2765, 3080, 3160, 3332, 3476, 3740, 3871, 4165, 4312, 4345, 4424, 4760, 5236, 5372, 5390, 5530, 6083, 6545, 6664, 6715, 6952, 7480, 7742, 8330, 8690, 9163, 9401, 10472, 10744, 10780, 11060, 12166, 13090, 13430, 14773, 15484, 16660, 17380, 18326, 18802, 19355, 21560, 22120, 24332, 26180, 26860, 29546, 30415, 30968, 33320, 34760, 36652, 37604, 38710, 42581, 45815, 47005, 48664, 52360, 53720, 59092, 60830, 65807, 73304, 73865, 75208, 77420, 85162, 91630, 94010, 103411, 118184, 121660, 131614, 147730, 154840, 170324, 183260, 188020, 206822, 212905, 243320, 263228, 295460, 329035, 340648, 366520, 376040, 413644, 425810, 517055, 526456, 590920, 658070, 723877, 827288, 851620, 1034110, 1316140, 1447754, 1703240, 2068220, 2632280, 2895508, 3619385, 4136440, 5791016, 7238770, 14477540, 28955080]

約数ペア:

[(1, 28955080), (2, 14477540), (4, 7238770), (5, 5791016), (7, 4136440), (8, 3619385), (10, 2895508), (11, 2632280), (14, 2068220), (17, 1703240), (20, 1447754), (22, 1316140), (28, 1034110), (34, 851620), (35, 827288), (40, 723877), (44, 658070), (49, 590920), (55, 526456), (56, 517055), (68, 425810), (70, 413644), (77, 376040), (79, 366520), (85, 340648), (88, 329035), (98, 295460), (110, 263228), (119, 243320), (136, 212905), (140, 206822), (154, 188020), (158, 183260), (170, 170324), (187, 154840), (196, 147730), (220, 131614), (238, 121660), (245, 118184), (280, 103411), (308, 94010), (316, 91630), (340, 85162), (374, 77420), (385, 75208), (392, 73865), (395, 73304), (440, 65807), (476, 60830), (490, 59092), (539, 53720), (553, 52360), (595, 48664), (616, 47005), (632, 45815), (680, 42581), (748, 38710), (770, 37604), (790, 36652), (833, 34760), (869, 33320), (935, 30968), (952, 30415), (980, 29546), (1078, 26860), (1106, 26180), (1190, 24332), (1309, 22120), (1343, 21560), (1496, 19355), (1540, 18802), (1580, 18326), (1666, 17380), (1738, 16660), (1870, 15484), (1960, 14773), (2156, 13430), (2212, 13090), (2380, 12166), (2618, 11060), (2686, 10780), (2695, 10744), (2765, 10472), (3080, 9401), (3160, 9163), (3332, 8690), (3476, 8330), (3740, 7742), (3871, 7480), (4165, 6952), (4312, 6715), (4345, 6664), (4424, 6545), (4760, 6083), (5236, 5530), (5372, 5390)]