138862640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 160

約数和(自身を含む): 401879040

約数和(自身を除く): 263016400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 421, 434, 496, 532, 560, 589, 620, 665, 760, 842, 868, 1064, 1085, 1178, 1240, 1330, 1520, 1684, 1736, 2105, 2128, 2170, 2356, 2480, 2660, 2945, 2947, 3368, 3472, 4123, 4210, 4340, 4712, 5320, 5890, 5894, 6736, 7999, 8246, 8420, 8680, 9424, 10640, 11780, 11788, 13051, 14735, 15998, 16492, 16840, 17360, 20615, 23560, 23576, 26102, 29470, 31996, 32984, 33680, 39995, 41230, 47120, 47152, 52204, 55993, 58940, 63992, 65255, 65968, 79990, 82460, 91357, 104408, 111986, 117880, 127984, 130510, 159980, 164920, 182714, 208816, 223972, 235760, 247969, 261020, 279965, 319960, 329840, 365428, 447944, 456785, 495938, 522040, 559930, 639920, 730856, 895888, 913570, 991876, 1044080, 1119860, 1239845, 1461712, 1735783, 1827140, 1983752, 2239720, 2479690, 3471566, 3654280, 3967504, 4479440, 4959380, 6943132, 7308560, 8678915, 9918760, 13886264, 17357830, 19837520, 27772528, 34715660, 69431320, 138862640]

約数ペア:

[(1, 138862640), (2, 69431320), (4, 34715660), (5, 27772528), (7, 19837520), (8, 17357830), (10, 13886264), (14, 9918760), (16, 8678915), (19, 7308560), (20, 6943132), (28, 4959380), (31, 4479440), (35, 3967504), (38, 3654280), (40, 3471566), (56, 2479690), (62, 2239720), (70, 1983752), (76, 1827140), (80, 1735783), (95, 1461712), (112, 1239845), (124, 1119860), (133, 1044080), (140, 991876), (152, 913570), (155, 895888), (190, 730856), (217, 639920), (248, 559930), (266, 522040), (280, 495938), (304, 456785), (310, 447944), (380, 365428), (421, 329840), (434, 319960), (496, 279965), (532, 261020), (560, 247969), (589, 235760), (620, 223972), (665, 208816), (760, 182714), (842, 164920), (868, 159980), (1064, 130510), (1085, 127984), (1178, 117880), (1240, 111986), (1330, 104408), (1520, 91357), (1684, 82460), (1736, 79990), (2105, 65968), (2128, 65255), (2170, 63992), (2356, 58940), (2480, 55993), (2660, 52204), (2945, 47152), (2947, 47120), (3368, 41230), (3472, 39995), (4123, 33680), (4210, 32984), (4340, 31996), (4712, 29470), (5320, 26102), (5890, 23576), (5894, 23560), (6736, 20615), (7999, 17360), (8246, 16840), (8420, 16492), (8680, 15998), (9424, 14735), (10640, 13051), (11780, 11788)]